115264657 has 4 divisors (see below), whose sum is σ = 118379956. Its totient is φ = 112149360.

The previous prime is 115264651. The next prime is 115264663. The reversal of 115264657 is 756462511.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (115264651) and next prime (115264663).

It can be written as a sum of positive squares in 2 ways, for example, as 112021056 + 3243601 = 10584^2 + 1801^2 .

It is a cyclic number.

It is not a de Polignac number, because 115264657 - 2³ = 115264649 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 3115261 = 115264657 / (1 + 1 + 5 + 2 + 6 + 4 + 6 + 5 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115264651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1557594 + ... + 1557667.

It is an arithmetic number, because the mean of its divisors is an integer number (29594989).

Almost surely, 2^115264657 is an apocalyptic number.

It is an amenable number.

115264657 is a deficient number, since it is larger than the sum of its proper divisors (3115299).

115264657 is an equidigital number, since it uses as much as digits as its factorization.

115264657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3115298.

The product of its digits is 50400, while the sum is 37.

The square root of 115264657 is about 10736.1378996360. The cubic root of 115264657 is about 486.6671743182.

It can be divided in two parts, 115264 and 657, that added together give a triangular number (115921 = T₄₈₁).

The spelling of 115264657 in words is "one hundred fifteen million, two hundred sixty-four thousand, six hundred fifty-seven".