115896251 has 2 divisors, whose sum is σ = 115896252. Its totient is φ = 115896250.

The previous prime is 115896227. The next prime is 115896281. The reversal of 115896251 is 152698511.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115896251 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is equal to p_6620879 and since 115896251 and 6620879 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (115896281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57948125 + 57948126.

It is an arithmetic number, because the mean of its divisors is an integer number (57948126).

Almost surely, 2^115896251 is an apocalyptic number.

115896251 is a deficient number, since it is larger than the sum of its proper divisors (1).

115896251 is an equidigital number, since it uses as much as digits as its factorization.

115896251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 38.

The square root of 115896251 is about 10765.5121104386. The cubic root of 115896251 is about 487.5544551048.

The spelling of 115896251 in words is "one hundred fifteen million, eight hundred ninety-six thousand, two hundred fifty-one".