625481880 has 64 divisors (see below), whose sum is σ = 1878888960. Its totient is φ = 166578048.

The previous prime is 625481873. The next prime is 625481887. The reversal of 625481880 is 88184526.

It is an interprime number because it is at equal distance from previous prime (625481873) and next prime (625481887).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625481887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103009 + ... + 108911.

It is an arithmetic number, because the mean of its divisors is an integer number (29357640).

Almost surely, 2^625481880 is an apocalyptic number.

625481880 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

625481880 is an abundant number, since it is smaller than the sum of its proper divisors (1253407080).

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

625481880 is a wasteful number, since it uses less digits than its factorization.

625481880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6800 (or 6796 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 42.

The square root of 625481880 is about 25009.6357430491. The cubic root of 625481880 is about 855.2076510794.

The spelling of 625481880 in words is "six hundred twenty-five million, four hundred eighty-one thousand, eight hundred eighty".