625464504 has 128 divisors (see below), whose sum is σ = 2010508800. Its totient is φ = 178669152.

The previous prime is 625464491. The next prime is 625464517. The reversal of 625464504 is 405464526.

625464504 is a `hidden beast` number, since 6 + 2 + 5 + 4 + 645 + 0 + 4 = 666.

625464504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (625464491) and next prime (625464517).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119919 + ... + 125025.

It is an arithmetic number, because the mean of its divisors is an integer number (15707100).

Almost surely, 2^625464504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 625464504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1005254400).

625464504 is an abundant number, since it is smaller than the sum of its proper divisors (1385044296).

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

625464504 is an equidigital number, since it uses as much as digits as its factorization.

625464504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5141 (or 5119 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The square root of 625464504 is about 25009.2883545294. The cubic root of 625464504 is about 855.1997317315.

The spelling of 625464504 in words is "six hundred twenty-five million, four hundred sixty-four thousand, five hundred four".