90883525 has 12 divisors (see below), whose sum is σ = 112911300. Its totient is φ = 72567680.

The previous prime is 90883519. The next prime is 90883531. The reversal of 90883525 is 52538809.

It is an interprime number because it is at equal distance from previous prime (90883519) and next prime (90883531).

It can be written as a sum of positive squares in 6 ways, for example, as 36978561 + 53904964 = 6081^2 + 7342^2 .

It is not a de Polignac number, because 90883525 - 2¹¹ = 90881477 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11031 + ... + 17419.

It is an arithmetic number, because the mean of its divisors is an integer number (9409275).

Almost surely, 2^90883525 is an apocalyptic number.

It is an amenable number.

90883525 is a deficient number, since it is larger than the sum of its proper divisors (22027775).

90883525 is a wasteful number, since it uses less digits than its factorization.

90883525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6968 (or 6963 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 90883525 is about 9533.2851106006. The cubic root of 90883525 is about 449.6021586634.

The spelling of 90883525 in words is "ninety million, eight hundred eighty-three thousand, five hundred twenty-five".