625351432550 has 24 divisors (see below), whose sum is σ = 1252627024656. Its totient is φ = 230898990240.

The previous prime is 625351432507. The next prime is 625351432637. The reversal of 625351432550 is 55234153526.

625351432550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 625351432498 and 625351432507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 481038914 + ... + 481040213.

It is an arithmetic number, because the mean of its divisors is an integer number (52192792694).

Almost surely, 2^625351432550 is an apocalyptic number.

625351432550 is an abundant number, since it is smaller than the sum of its proper divisors (627275592106).

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

625351432550 is a wasteful number, since it uses less digits than its factorization.

625351432550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962079152 (or 962079147 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 41.

The spelling of 625351432550 in words is "six hundred twenty-five billion, three hundred fifty-one million, four hundred thirty-two thousand, five hundred fifty".