115775251 has 2 divisors, whose sum is σ = 115775252. Its totient is φ = 115775250.

The previous prime is 115775239. The next prime is 115775269. The reversal of 115775251 is 152577511.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115775251 is a prime.

It is a super-2 number, since 2×115775251² = 26807817488226002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (115775201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57887625 + 57887626.

It is an arithmetic number, because the mean of its divisors is an integer number (57887626).

Almost surely, 2^115775251 is an apocalyptic number.

115775251 is a deficient number, since it is larger than the sum of its proper divisors (1).

115775251 is an equidigital number, since it uses as much as digits as its factorization.

115775251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12250, while the sum is 34.

The square root of 115775251 is about 10759.8908451712. The cubic root of 115775251 is about 487.3847210218.

The spelling of 115775251 in words is "one hundred fifteen million, seven hundred seventy-five thousand, two hundred fifty-one".