2500525557 has 12 divisors (see below), whose sum is σ = 3612583884. Its totient is φ = 1666687680.

The previous prime is 2500525553. The next prime is 2500525567. The reversal of 2500525557 is 7555250052.

2500525557 is a `hidden beast` number, since 2 + 50 + 0 + 52 + 5 + 557 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1554409476 + 946116081 = 39426^2 + 30759^2 .

It is not a de Polignac number, because 2500525557 - 2² = 2500525553 is a prime.

It is a super-2 number, since 2×2500525557² = 12505256122420320498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2500525553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26143 + ... + 75395.

It is an arithmetic number, because the mean of its divisors is an integer number (301048657).

Almost surely, 2^2500525557 is an apocalyptic number.

It is an amenable number.

2500525557 is a deficient number, since it is larger than the sum of its proper divisors (1112058327).

2500525557 is a wasteful number, since it uses less digits than its factorization.

2500525557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54900 (or 54897 counting only the distinct ones).

The product of its (nonzero) digits is 87500, while the sum is 36.

The square root of 2500525557 is about 50005.2552938189. The cubic root of 2500525557 is about 1357.3039070457.

The spelling of 2500525557 in words is "two billion, five hundred million, five hundred twenty-five thousand, five hundred fifty-seven".