625353003506 has 192 divisors, whose sum is σ = 1327087825920. Its totient is φ = 217478701440.

The previous prime is 625353003467. The next prime is 625353003551. The reversal of 625353003506 is 605300353526.

625353003506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 625353003506.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 31552856 + ... + 31572668.

It is an arithmetic number, because the mean of its divisors is an integer number (6911915760).

Almost surely, 2^625353003506 is an apocalyptic number.

625353003506 is an abundant number, since it is smaller than the sum of its proper divisors (701734822414).

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

625353003506 is a wasteful number, since it uses less digits than its factorization.

625353003506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19949 (or 19942 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 38.

The spelling of 625353003506 in words is "six hundred twenty-five billion, three hundred fifty-three million, three thousand, five hundred six".