518725652 has 24 divisors (see below), whose sum is σ = 931316736. Its totient is φ = 252685728.

The previous prime is 518725637. The next prime is 518725661. The reversal of 518725652 is 256527815.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 35738 + ... + 48110.

It is an arithmetic number, because the mean of its divisors is an integer number (38804864).

Almost surely, 2^518725652 is an apocalyptic number.

It is an amenable number.

518725652 is a deficient number, since it is larger than the sum of its proper divisors (412591084).

518725652 is a wasteful number, since it uses less digits than its factorization.

518725652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12647 (or 12645 counting only the distinct ones).

The product of its digits is 168000, while the sum is 41.

The square root of 518725652 is about 22775.5494335482. The cubic root of 518725652 is about 803.4877164461.

The spelling of 518725652 in words is "five hundred eighteen million, seven hundred twenty-five thousand, six hundred fifty-two".