115958431 has 2 divisors, whose sum is σ = 115958432. Its totient is φ = 115958430.

The previous prime is 115958429. The next prime is 115958459. The reversal of 115958431 is 134859511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115958431 - 2¹ = 115958429 is a prime.

It is a super-2 number, since 2×115958431² = 26892715439963522, which contains 22 as substring.

Together with 115958429, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115958131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57979215 + 57979216.

It is an arithmetic number, because the mean of its divisors is an integer number (57979216).

Almost surely, 2^115958431 is an apocalyptic number.

115958431 is a deficient number, since it is larger than the sum of its proper divisors (1).

115958431 is an equidigital number, since it uses as much as digits as its factorization.

115958431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 37.

The square root of 115958431 is about 10768.3996489729. The cubic root of 115958431 is about 487.6416328340.

The spelling of 115958431 in words is "one hundred fifteen million, nine hundred fifty-eight thousand, four hundred thirty-one".