625885980 has 24 divisors (see below), whose sum is σ = 1752480912. Its totient is φ = 166902912.

The previous prime is 625885919. The next prime is 625885987. The reversal of 625885980 is 89588526.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625885987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5215657 + ... + 5215776.

It is an arithmetic number, because the mean of its divisors is an integer number (73020038).

Almost surely, 2^625885980 is an apocalyptic number.

625885980 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

625885980 is an abundant number, since it is smaller than the sum of its proper divisors (1126594932).

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

625885980 is a wasteful number, since it uses less digits than its factorization.

625885980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10431445 (or 10431443 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 51.

The square root of 625885980 is about 25017.7133247625. The cubic root of 625885980 is about 855.3917837860.

The spelling of 625885980 in words is "six hundred twenty-five million, eight hundred eighty-five thousand, nine hundred eighty".