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2525255525 = 52137770017
BaseRepresentation
bin1001011010000100…
…0101011101100101
320111222201021100102
42112201011131211
520132431134100
61054324553445
7116402214002
oct22641053545
96458637312
102525255525
111086493941
125a5852885
13313232a50
1419d5468a9
15eba68cd5
hex96845765

2525255525 has 12 divisors (see below), whose sum is σ = 3372187812. Its totient is φ = 1864803840.

The previous prime is 2525255521. The next prime is 2525255549. The reversal of 2525255525 is 5255525252.

It can be written as a sum of positive squares in 6 ways, for example, as 13942756 + 2511312769 = 3734^2 + 50113^2 .

It is not a de Polignac number, because 2525255525 - 22 = 2525255521 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2525255521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3884684 + ... + 3885333.

It is an arithmetic number, because the mean of its divisors is an integer number (281015651).

Almost surely, 22525255525 is an apocalyptic number.

2525255525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2525255525 is a deficient number, since it is larger than the sum of its proper divisors (846932287).

2525255525 is a wasteful number, since it uses less digits than its factorization.

2525255525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7770040 (or 7770035 counting only the distinct ones).

The product of its digits is 250000, while the sum is 38.

The square root of 2525255525 is about 50251.9206100623. The cubic root of 2525255525 is about 1361.7637736180.

The spelling of 2525255525 in words is "two billion, five hundred twenty-five million, two hundred fifty-five thousand, five hundred twenty-five".

Divisors: 1 5 13 25 65 325 7770017 38850085 101010221 194250425 505051105 2525255525