90244525 has 36 divisors (see below), whose sum is σ = 135875232. Its totient is φ = 59172960.

The previous prime is 90244507. The next prime is 90244537. The reversal of 90244525 is 52544209.

It is not a de Polignac number, because 90244525 - 2⁵ = 90244493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 26574 + ... + 29776.

It is an arithmetic number, because the mean of its divisors is an integer number (3774312).

Almost surely, 2^90244525 is an apocalyptic number.

It is an amenable number.

90244525 is a deficient number, since it is larger than the sum of its proper divisors (45630707).

90244525 is a wasteful number, since it uses less digits than its factorization.

90244525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3250 (or 3238 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 90244525 is about 9499.7118377349. The cubic root of 90244525 is about 448.5459652363.

The spelling of 90244525 in words is "ninety million, two hundred forty-four thousand, five hundred twenty-five".