91196425 has 12 divisors (see below), whose sum is σ = 113564160. Its totient is φ = 72647120.

The previous prime is 91196419. The next prime is 91196437. The reversal of 91196425 is 52469119.

It is not a de Polignac number, because 91196425 - 2⁹ = 91195913 is a prime.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 1657 + ... + 13606.

It is an arithmetic number, because the mean of its divisors is an integer number (9463680).

Almost surely, 2^91196425 is an apocalyptic number.

It is an amenable number.

91196425 is a deficient number, since it is larger than the sum of its proper divisors (22367735).

91196425 is a wasteful number, since it uses less digits than its factorization.

91196425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15512 (or 15507 counting only the distinct ones).

The product of its digits is 19440, while the sum is 37.

The square root of 91196425 is about 9549.6819318761. The cubic root of 91196425 is about 450.1175413117.

It can be divided in two parts, 911 and 96425, that added together give a cube (97336 = 46³).

The spelling of 91196425 in words is "ninety-one million, one hundred ninety-six thousand, four hundred twenty-five".