91590125 has 32 divisors (see below), whose sum is σ = 126921600. Its totient is φ = 65424000.

The previous prime is 91590119. The next prime is 91590131. The reversal of 91590125 is 52109519.

It is an interprime number because it is at equal distance from previous prime (91590119) and next prime (91590131).

It is not a de Polignac number, because 91590125 - 2⁶ = 91590061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 91590091 and 91590100.

It is a congruent number.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 80561 + ... + 81689.

It is an arithmetic number, because the mean of its divisors is an integer number (3966300).

Almost surely, 2^91590125 is an apocalyptic number.

It is an amenable number.

91590125 is a deficient number, since it is larger than the sum of its proper divisors (35331475).

91590125 is a wasteful number, since it uses less digits than its factorization.

91590125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214 (or 1204 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 32.

The square root of 91590125 is about 9570.2729846123. The cubic root of 91590125 is about 450.7643388719.

The spelling of 91590125 in words is "ninety-one million, five hundred ninety thousand, one hundred twenty-five".