91294252 has 24 divisors (see below), whose sum is σ = 186317600. Its totient is φ = 39125520.

The previous prime is 91294243. The next prime is 91294277. The reversal of 91294252 is 25249219.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31899 + ... + 34642.

Almost surely, 2^91294252 is an apocalyptic number.

It is an amenable number.

91294252 is an abundant number, since it is smaller than the sum of its proper divisors (95023348).

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

91294252 is a wasteful number, since it uses less digits than its factorization.

91294252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66566 (or 66550 counting only the distinct ones).

The product of its digits is 12960, while the sum is 34.

The square root of 91294252 is about 9554.8025620627. The cubic root of 91294252 is about 450.2784318035.

The spelling of 91294252 in words is "ninety-one million, two hundred ninety-four thousand, two hundred fifty-two".