2531790904 has 32 divisors (see below), whose sum is σ = 4769280000. Its totient is φ = 1260000352.

The previous prime is 2531790881. The next prime is 2531790913. The reversal of 2531790904 is 4090971352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2294817 + ... + 2295919.

It is an arithmetic number, because the mean of its divisors is an integer number (149040000).

Almost surely, 2^2531790904 is an apocalyptic number.

It is an amenable number.

2531790904 is a deficient number, since it is larger than the sum of its proper divisors (2237489096).

2531790904 is a wasteful number, since it uses less digits than its factorization.

2531790904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2187 (or 2183 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 2531790904 is about 50316.9047537704. The cubic root of 2531790904 is about 1362.9375130482.

The spelling of 2531790904 in words is "two billion, five hundred thirty-one million, seven hundred ninety thousand, nine hundred four".