625565120 has 112 divisors (see below), whose sum is σ = 1619097600. Its totient is φ = 229340160.

The previous prime is 625565117. The next prime is 625565123. The reversal of 625565120 is 21565526.

It is an interprime number because it is at equal distance from previous prime (625565117) and next prime (625565123).

It is a super-2 number, since 2×625565120² = 782663438721228800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625565123) 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 15 ways as a sum of consecutive naturals, for example, 186821 + ... + 190139.

Almost surely, 2^625565120 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 625565120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (809548800).

625565120 is an abundant number, since it is smaller than the sum of its proper divisors (993532480).

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

625565120 is a wasteful number, since it uses less digits than its factorization.

625565120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3386 (or 3376 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 625565120 is about 25011.2998462695. The cubic root of 625565120 is about 855.2455868051.

It can be divided in two parts, 62556 and 5120, that added together give a palindrome (67676).

The spelling of 625565120 in words is "six hundred twenty-five million, five hundred sixty-five thousand, one hundred twenty".