115204537 has 12 divisors (see below), whose sum is σ = 135524340. Its totient is φ = 97633536.

The previous prime is 115204511. The next prime is 115204549. The reversal of 115204537 is 735402511.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20259001 + 94945536 = 4501^2 + 9744^2 .

It is not a de Polignac number, because 115204537 - 2⁷ = 115204409 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115204237) by changing a digit.

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, 8848 + ... + 17569.

It is an arithmetic number, because the mean of its divisors is an integer number (11293695).

Almost surely, 2^115204537 is an apocalyptic number.

It is an amenable number.

115204537 is a deficient number, since it is larger than the sum of its proper divisors (20319803).

115204537 is an equidigital number, since it uses as much as digits as its factorization.

115204537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26520 (or 26513 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 115204537 is about 10733.3376449267. The cubic root of 115204537 is about 486.5825472820.

The spelling of 115204537 in words is "one hundred fifteen million, two hundred four thousand, five hundred thirty-seven".