115752257 has 2 divisors, whose sum is σ = 115752258. Its totient is φ = 115752256.

The previous prime is 115752251. The next prime is 115752271. The reversal of 115752257 is 752257511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102495376 + 13256881 = 10124^2 + 3641^2 .

It is a cyclic number.

It is not a de Polignac number, because 115752257 - 2⁶ = 115752193 is a prime.

It is not a weakly prime, because it can be changed into another prime (115752251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57876128 + 57876129.

It is an arithmetic number, because the mean of its divisors is an integer number (57876129).

Almost surely, 2^115752257 is an apocalyptic number.

It is an amenable number.

115752257 is a deficient number, since it is larger than the sum of its proper divisors (1).

115752257 is an equidigital number, since it uses as much as digits as its factorization.

115752257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24500, while the sum is 35.

The square root of 115752257 is about 10758.8222868491. The cubic root of 115752257 is about 487.3524525643.

The spelling of 115752257 in words is "one hundred fifteen million, seven hundred fifty-two thousand, two hundred fifty-seven".