115425391 has 2 divisors, whose sum is σ = 115425392. Its totient is φ = 115425390.

The previous prime is 115425341. The next prime is 115425403. The reversal of 115425391 is 193524511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115425391 - 2²⁵ = 81870959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115425341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57712695 + 57712696.

It is an arithmetic number, because the mean of its divisors is an integer number (57712696).

Almost surely, 2^115425391 is an apocalyptic number.

115425391 is a deficient number, since it is larger than the sum of its proper divisors (1).

115425391 is an equidigital number, since it uses as much as digits as its factorization.

115425391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 31.

The square root of 115425391 is about 10743.6209445419. The cubic root of 115425391 is about 486.8932847648.

The spelling of 115425391 in words is "one hundred fifteen million, four hundred twenty-five thousand, three hundred ninety-one".