91625502 has 16 divisors (see below), whose sum is σ = 183451392. Its totient is φ = 30508440.

The previous prime is 91625497. The next prime is 91625503. The reversal of 91625502 is 20552619.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 91625502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91625503) 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 in 7 ways as a sum of consecutive naturals, for example, 2038 + ... + 13689.

It is an arithmetic number, because the mean of its divisors is an integer number (11465712).

Almost surely, 2^91625502 is an apocalyptic number.

91625502 is an abundant number, since it is smaller than the sum of its proper divisors (91825890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91625502 is a wasteful number, since it uses less digits than its factorization.

91625502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16703.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 91625502 is about 9572.1210815576. The cubic root of 91625502 is about 450.8223678254.

The spelling of 91625502 in words is "ninety-one million, six hundred twenty-five thousand, five hundred two".