625491120 has 80 divisors (see below), whose sum is σ = 1941518592. Its totient is φ = 166583040.

The previous prime is 625491109. The next prime is 625491131. The reversal of 625491120 is 21194526.

It is an interprime number because it is at equal distance from previous prime (625491109) and next prime (625491131).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292455 + ... + 294585.

Almost surely, 2^625491120 is an apocalyptic number.

625491120 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

625491120 is an abundant number, since it is smaller than the sum of its proper divisors (1316027472).

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

625491120 is a wasteful number, since it uses less digits than its factorization.

625491120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3370 (or 3364 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 625491120 is about 25009.8204711669. The cubic root of 625491120 is about 855.2118622751.

The spelling of 625491120 in words is "six hundred twenty-five million, four hundred ninety-one thousand, one hundred twenty".