2497565925 has 18 divisors (see below), whose sum is σ = 4473418482. Its totient is φ = 1332035040.

The previous prime is 2497565909. The next prime is 2497565953. The reversal of 2497565925 is 5295657942.

2497565925 is a `hidden beast` number, since 2 + 49 + 7 + 5 + 6 + 592 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 346183236 + 2151382689 = 18606^2 + 46383^2 .

It is not a de Polignac number, because 2497565925 - 2⁴ = 2497565909 is a prime.

It is a super-2 number, since 2×2497565925² = 12475671099442211250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5549922 + ... + 5550371.

It is an arithmetic number, because the mean of its divisors is an integer number (248523249).

Almost surely, 2^2497565925 is an apocalyptic number.

2497565925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2497565925 is a deficient number, since it is larger than the sum of its proper divisors (1975852557).

2497565925 is a wasteful number, since it uses less digits than its factorization.

2497565925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11100309 (or 11100301 counting only the distinct ones).

The product of its digits is 6804000, while the sum is 54.

The square root of 2497565925 is about 49975.6533223929. The cubic root of 2497565925 is about 1356.7681921968.

The spelling of 2497565925 in words is "two billion, four hundred ninety-seven million, five hundred sixty-five thousand, nine hundred twenty-five".