624565425 has 48 divisors (see below), whose sum is σ = 1135284480. Its totient is φ = 300456000.

The previous prime is 624565399. The next prime is 624565427. The reversal of 624565425 is 524565426.

It is not a de Polignac number, because 624565425 - 2¹⁰ = 624564401 is a prime.

It is a super-3 number, since 3×624565425³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (624565427) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 105186 + ... + 110964.

It is an arithmetic number, because the mean of its divisors is an integer number (23651760).

Almost surely, 2^624565425 is an apocalyptic number.

It is an amenable number.

624565425 is a deficient number, since it is larger than the sum of its proper divisors (510719055).

624565425 is a wasteful number, since it uses less digits than its factorization.

624565425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5934 (or 5929 counting only the distinct ones).

The product of its digits is 288000, while the sum is 39.

The square root of 624565425 is about 24991.3069886311. The cubic root of 624565425 is about 854.7897639791.

Subtracting from 624565425 its reverse (524565426), we obtain a palindrome (99999999).

The spelling of 624565425 in words is "six hundred twenty-four million, five hundred sixty-five thousand, four hundred twenty-five".