90316925 has 6 divisors (see below), whose sum is σ = 111993018. Its totient is φ = 72253520.

The previous prime is 90316921. The next prime is 90316943. The reversal of 90316925 is 52961309.

It can be written as a sum of positive squares in 3 ways, for example, as 806404 + 89510521 = 898^2 + 9461^2 .

It is not a de Polignac number, because 90316925 - 2² = 90316921 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90316921) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1806314 + ... + 1806363.

It is an arithmetic number, because the mean of its divisors is an integer number (18665503).

Almost surely, 2^90316925 is an apocalyptic number.

It is an amenable number.

90316925 is a deficient number, since it is larger than the sum of its proper divisors (21676093).

90316925 is a wasteful number, since it uses less digits than its factorization.

90316925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3612687 (or 3612682 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 90316925 is about 9503.5217156589. The cubic root of 90316925 is about 448.6658840433.

The spelling of 90316925 in words is "ninety million, three hundred sixteen thousand, nine hundred twenty-five".