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725502225 = 35272360083
BaseRepresentation
bin101011001111100…
…100100100010001
31212120011022221210
4223033210210101
52441212032400
6155554010333
723656444560
oct5317444421
91776138853
10725502225
11342588618
12182b769a9
13b73cb076
146c4d5bd7
1543a5d950
hex2b3e4911

725502225 has 48 divisors (see below), whose sum is σ = 1430479872. Its totient is φ = 317232960.

The previous prime is 725502223. The next prime is 725502227. The reversal of 725502225 is 522205527.

It is an interprime number because it is at equal distance from previous prime (725502223) and next prime (725502227).

It is not a de Polignac number, because 725502225 - 21 = 725502223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 725502192 and 725502201.

It is not an unprimeable number, because it can be changed into a prime (725502221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17967 + ... + 42116.

It is an arithmetic number, because the mean of its divisors is an integer number (29801664).

Almost surely, 2725502225 is an apocalyptic number.

725502225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

725502225 is a deficient number, since it is larger than the sum of its proper divisors (704977647).

725502225 is a wasteful number, since it uses less digits than its factorization.

725502225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60126 (or 60121 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 725502225 is about 26935.1485052524. The cubic root of 725502225 is about 898.5582781397.

The spelling of 725502225 in words is "seven hundred twenty-five million, five hundred two thousand, two hundred twenty-five".

Divisors: 1 3 5 7 15 21 23 25 35 69 75 105 115 161 175 345 483 525 575 805 1725 2415 4025 12075 60083 180249 300415 420581 901245 1261743 1381909 1502075 2102905 4145727 4506225 6308715 6909545 9673363 10514525 20728635 29020089 31543575 34547725 48366815 103643175 145100445 241834075 725502225