91103252 has 12 divisors (see below), whose sum is σ = 167821920. Its totient is φ = 43154136.

The previous prime is 91103251. The next prime is 91103261. The reversal of 91103252 is 25230119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91103251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 599288 + ... + 599439.

It is an arithmetic number, because the mean of its divisors is an integer number (13985160).

Almost surely, 2^91103252 is an apocalyptic number.

It is an amenable number.

91103252 is a deficient number, since it is larger than the sum of its proper divisors (76718668).

91103252 is a wasteful number, since it uses less digits than its factorization.

91103252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198750 (or 1198748 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 91103252 is about 9544.8023552088. The cubic root of 91103252 is about 449.9641979747.

The spelling of 91103252 in words is "ninety-one million, one hundred three thousand, two hundred fifty-two".