91424252 has 12 divisors (see below), whose sum is σ = 161253120. Its totient is φ = 45351936.

The previous prime is 91424243. The next prime is 91424273. The reversal of 91424252 is 25242419.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89477 + ... + 90492.

It is an arithmetic number, because the mean of its divisors is an integer number (13437760).

Almost surely, 2^91424252 is an apocalyptic number.

It is an amenable number.

91424252 is a deficient number, since it is larger than the sum of its proper divisors (69828868).

91424252 is a wasteful number, since it uses less digits than its factorization.

91424252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180100 (or 180098 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 91424252 is about 9561.6030036809. The cubic root of 91424252 is about 450.4920576426.

The spelling of 91424252 in words is "ninety-one million, four hundred twenty-four thousand, two hundred fifty-two".