625000631875 has 10 divisors (see below), whose sum is σ = 781000790372. Its totient is φ = 500000505000.

The previous prime is 625000631873. The next prime is 625000631887. The reversal of 625000631875 is 578136000526.

It is not a de Polignac number, because 625000631875 - 2¹ = 625000631873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (625000631873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 499999881 + ... + 500001130.

Almost surely, 2^625000631875 is an apocalyptic number.

625000631875 is a deficient number, since it is larger than the sum of its proper divisors (156000158497).

625000631875 is an equidigital number, since it uses as much as digits as its factorization.

625000631875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000001031 (or 1000001016 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 625000631875 in words is "six hundred twenty-five billion, six hundred thirty-one thousand, eight hundred seventy-five".