115525400 has 24 divisors (see below), whose sum is σ = 268597020. Its totient is φ = 46210080.

The previous prime is 115525393. The next prime is 115525441. The reversal of 115525400 is 4525511.

It is a happy number.

It is a super-2 number, since 2×115525400² = 26692236090320000, 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 (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 288614 + ... + 289013.

Almost surely, 2^115525400 is an apocalyptic number.

115525400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115525400 is an abundant number, since it is smaller than the sum of its proper divisors (153071620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115525400 is a wasteful number, since it uses less digits than its factorization.

115525400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577643 (or 577634 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 115525400 is about 10748.2742800879. The cubic root of 115525400 is about 487.0338651966.

The spelling of 115525400 in words is "one hundred fifteen million, five hundred twenty-five thousand, four hundred".