115697525 has 12 divisors (see below), whose sum is σ = 145898400. Its totient is φ = 90988080.

The previous prime is 115697507. The next prime is 115697551. The reversal of 115697525 is 525796511.

It is not a de Polignac number, because 115697525 - 2²⁰ = 114648949 is a prime.

It is a super-2 number, since 2×115697525² = 26771834582251250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37745 + ... + 40694.

It is an arithmetic number, because the mean of its divisors is an integer number (12158200).

Almost surely, 2^115697525 is an apocalyptic number.

It is an amenable number.

115697525 is a deficient number, since it is larger than the sum of its proper divisors (30200875).

115697525 is an equidigital number, since it uses as much as digits as its factorization.

115697525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78508 (or 78503 counting only the distinct ones).

The product of its digits is 94500, while the sum is 41.

The square root of 115697525 is about 10756.2783991490. The cubic root of 115697525 is about 487.2756276270.

The spelling of 115697525 in words is "one hundred fifteen million, six hundred ninety-seven thousand, five hundred twenty-five".