625375899 has 12 divisors (see below), whose sum is σ = 950864200. Its totient is φ = 394974144.

The previous prime is 625375879. The next prime is 625375901. The reversal of 625375899 is 998573526.

625375899 is a `hidden beast` number, since 6 + 2 + 53 + 7 + 589 + 9 = 666.

It is not a de Polignac number, because 625375899 - 2⁸ = 625375643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (625375879) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1828414 + ... + 1828755.

Almost surely, 2^625375899 is an apocalyptic number.

625375899 is a deficient number, since it is larger than the sum of its proper divisors (325488301).

625375899 is a wasteful number, since it uses less digits than its factorization.

625375899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3657194 (or 3657191 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 54.

The square root of 625375899 is about 25007.5168499393. The cubic root of 625375899 is about 855.1593465190.

The spelling of 625375899 in words is "six hundred twenty-five million, three hundred seventy-five thousand, eight hundred ninety-nine".