115361657 has 2 divisors, whose sum is σ = 115361658. Its totient is φ = 115361656.

The previous prime is 115361651. The next prime is 115361669. The reversal of 115361657 is 756163511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114682681 + 678976 = 10709^2 + 824^2 .

It is an emirp because it is prime and its reverse (756163511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115361657 - 2¹⁰ = 115360633 is a prime.

It is not a weakly prime, because it can be changed into another prime (115361651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57680828 + 57680829.

It is an arithmetic number, because the mean of its divisors is an integer number (57680829).

Almost surely, 2^115361657 is an apocalyptic number.

It is an amenable number.

115361657 is a deficient number, since it is larger than the sum of its proper divisors (1).

115361657 is an equidigital number, since it uses as much as digits as its factorization.

115361657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18900, while the sum is 35.

The square root of 115361657 is about 10740.6544027820. The cubic root of 115361657 is about 486.8036529266.

The spelling of 115361657 in words is "one hundred fifteen million, three hundred sixty-one thousand, six hundred fifty-seven".