625826964 has 48 divisors (see below), whose sum is σ = 1741436928. Its totient is φ = 171032928.

The previous prime is 625826939. The next prime is 625827017. The reversal of 625826964 is 469628526.

It is a happy number.

It is a super-3 number, since 3×625826964³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160032 + ... + 163895.

It is an arithmetic number, because the mean of its divisors is an integer number (36279936).

Almost surely, 2^625826964 is an apocalyptic number.

It is an amenable number.

625826964 is an abundant number, since it is smaller than the sum of its proper divisors (1115609964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

625826964 is a wasteful number, since it uses less digits than its factorization.

625826964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323964 (or 323962 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 48.

The square root of 625826964 is about 25016.5338126608. The cubic root of 625826964 is about 855.3648974255.

The spelling of 625826964 in words is "six hundred twenty-five million, eight hundred twenty-six thousand, nine hundred sixty-four".