115625997 has 6 divisors (see below), whose sum is σ = 167015342. Its totient is φ = 77083992.

The previous prime is 115625989. The next prime is 115626013. The reversal of 115625997 is 799526511.

115625997 is a `hidden beast` number, since 1 + 1 + 56 + 2 + 599 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 94887081 + 20738916 = 9741^2 + 4554^2 .

It is not a de Polignac number, because 115625997 - 2³ = 115625989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115625977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6423658 + ... + 6423675.

Almost surely, 2^115625997 is an apocalyptic number.

It is an amenable number.

115625997 is a deficient number, since it is larger than the sum of its proper divisors (51389345).

115625997 is a wasteful number, since it uses less digits than its factorization.

115625997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12847339 (or 12847336 counting only the distinct ones).

The product of its digits is 170100, while the sum is 45.

The square root of 115625997 is about 10752.9529432617. The cubic root of 115625997 is about 487.1751903412.

The spelling of 115625997 in words is "one hundred fifteen million, six hundred twenty-five thousand, nine hundred ninety-seven".