625013520 has 160 divisors (see below), whose sum is σ = 2010728448. Its totient is φ = 160495104.

The previous prime is 625013479. The next prime is 625013563. The reversal of 625013520 is 25310526.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 755347 + ... + 756173.

Almost surely, 2^625013520 is an apocalyptic number.

625013520 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 625013520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1005364224).

625013520 is an abundant number, since it is smaller than the sum of its proper divisors (1385714928).

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

625013520 is a wasteful number, since it uses less digits than its factorization.

625013520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957 (or 951 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 625013520 is about 25000.2703985377. The cubic root of 625013520 is about 854.9941383272.

The spelling of 625013520 in words is "six hundred twenty-five million, thirteen thousand, five hundred twenty".