624534425 has 6 divisors (see below), whose sum is σ = 774422718. Its totient is φ = 499627520.

The previous prime is 624534377. The next prime is 624534437. The reversal of 624534425 is 524435426.

624534425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 69272329 + 555262096 = 8323^2 + 23564^2 .

It is not a de Polignac number, because 624534425 - 2¹⁸ = 624272281 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12490664 + ... + 12490713.

It is an arithmetic number, because the mean of its divisors is an integer number (129070453).

Almost surely, 2^624534425 is an apocalyptic number.

It is an amenable number.

624534425 is a deficient number, since it is larger than the sum of its proper divisors (149888293).

624534425 is a wasteful number, since it uses less digits than its factorization.

624534425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24981387 (or 24981382 counting only the distinct ones).

The product of its digits is 115200, while the sum is 35.

The square root of 624534425 is about 24990.6867652732. The cubic root of 624534425 is about 854.7756213875.

The spelling of 624534425 in words is "six hundred twenty-four million, five hundred thirty-four thousand, four hundred twenty-five".