115752251 has 2 divisors, whose sum is σ = 115752252. Its totient is φ = 115752250.

The previous prime is 115752193. The next prime is 115752257. The reversal of 115752251 is 152257511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115752251 - 2²² = 111557947 is a prime.

It is a super-2 number, since 2×115752251² = 26797167223134002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (115752257) 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 as a sum of consecutive naturals, namely, 57876125 + 57876126.

It is an arithmetic number, because the mean of its divisors is an integer number (57876126).

Almost surely, 2^115752251 is an apocalyptic number.

115752251 is a deficient number, since it is larger than the sum of its proper divisors (1).

115752251 is an equidigital number, since it uses as much as digits as its factorization.

115752251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3500, while the sum is 29.

The square root of 115752251 is about 10758.8220080081. The cubic root of 115752251 is about 487.3524441437.

The spelling of 115752251 in words is "one hundred fifteen million, seven hundred fifty-two thousand, two hundred fifty-one".