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2523252825625 = 54722923132
BaseRepresentation
bin100100101101111101100…
…101101001111000011001
322221012221211100111100111
4210231331211221320121
5312320110210410000
65211055533004321
7350204362065100
oct44557545517031
98835854314314
102523252825625
11893118491344
123490343236a1
13153c31c62b5c
148a1a9db5037
1545980211cba
hex24b7d969e19

2523252825625 has 135 divisors (see below), whose sum is σ = 3810855214881. Its totient is φ = 1665230112000.

The previous prime is 2523252825503. The next prime is 2523252825721. The reversal of 2523252825625 is 5265282523252.

The square root of 2523252825625 is 1588475.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 22 ways, for example, as 818483899401 + 1704768926224 = 904701^2 + 1305668^2 .

It is not a de Polignac number, because 2523252825625 - 223 = 2523244437017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 8061510469 + ... + 8061510781.

Almost surely, 22523252825625 is an apocalyptic number.

2523252825625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2523252825625 is the 1588475-th square number.

2523252825625 is the 794238-th centered octagonal number.

It is an amenable number.

2523252825625 is a deficient number, since it is larger than the sum of its proper divisors (1287602389256).

2523252825625 is an frugal number, since it uses more digits than its factorization.

2523252825625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718 (or 354 counting only the distinct ones).

The product of its digits is 5760000, while the sum is 49.

Multiplying 2523252825625 by its sum of digits (49), we get a square (123639388455625 = 111193252).

2523252825625 divided by its sum of digits (49) gives a square (51494955625 = 2269252).

The spelling of 2523252825625 in words is "two trillion, five hundred twenty-three billion, two hundred fifty-two million, eight hundred twenty-five thousand, six hundred twenty-five".

Divisors: 1 5 7 25 29 35 49 125 145 175 203 245 313 625 725 841 875 1015 1225 1421 1565 2191 3625 4205 4375 5075 5887 6125 7105 7825 9077 10955 15337 18125 21025 25375 29435 30625 35525 39125 41209 45385 54775 63539 76685 97969 105125 126875 147175 177625 195625 206045 226925 263233 273875 317695 383425 444773 489845 525625 685783 735875 888125 1030225 1134625 1316165 1369375 1588475 1842631 1917125 2223865 2449225 2841101 3428915 3679375 4800481 5151125 5673125 6580825 7942375 9213155 9585625 11119325 12246125 12898417 14205505 17144575 19887707 24002405 25755625 32904125 39711875 46065775 55596625 61230625 64492085 71027525 82391929 85722875 99438535 120012025 139213949 164520625 230328875 277983125 322460425 355137625 411959645 428614375 497192675 576743503 600060125 696069745 1151644375 1612302125 1775688125 2059798225 2485963375 2883717515 3000300625 3480348725 4037204521 8061510625 10298991125 12429816875 14418587575 17401743625 20186022605 51494955625 72092937875 87008718125 100930113025 360464689375 504650565125 2523252825625