625540016 has 20 divisors (see below), whose sum is σ = 1264679472. Its totient is φ = 299171136.

The previous prime is 625539989. The next prime is 625540031. The reversal of 625540016 is 610045526.

625540016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 849551 + ... + 850286.

Almost surely, 2^625540016 is an apocalyptic number.

It is an amenable number.

625540016 is an abundant number, since it is smaller than the sum of its proper divisors (639139456).

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

625540016 is a wasteful number, since it uses less digits than its factorization.

625540016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699868 (or 1699862 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 625540016 is about 25010.7979880691. The cubic root of 625540016 is about 855.2341462843.

The spelling of 625540016 in words is "six hundred twenty-five million, five hundred forty thousand, sixteen".