625928039 has 32 divisors (see below), whose sum is σ = 739964160. Its totient is φ = 527772960.

The previous prime is 625928029. The next prime is 625928053. The reversal of 625928039 is 930829526.

It is not a de Polignac number, because 625928039 - 2¹² = 625923943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625928029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1340084 + ... + 1340550.

It is an arithmetic number, because the mean of its divisors is an integer number (23123880).

Almost surely, 2^625928039 is an apocalyptic number.

625928039 is a deficient number, since it is larger than the sum of its proper divisors (114036121).

625928039 is a wasteful number, since it uses less digits than its factorization.

625928039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 550 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 625928039 is about 25018.5538950596. The cubic root of 625928039 is about 855.4109438877.

The spelling of 625928039 in words is "six hundred twenty-five million, nine hundred twenty-eight thousand, thirty-nine".