518540572 has 12 divisors (see below), whose sum is σ = 989941176. Its totient is φ = 235700240.

The previous prime is 518540551. The next prime is 518540597. The reversal of 518540572 is 275045815.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5892463 + ... + 5892550.

It is an arithmetic number, because the mean of its divisors is an integer number (82495098).

Almost surely, 2^518540572 is an apocalyptic number.

It is an amenable number.

518540572 is a deficient number, since it is larger than the sum of its proper divisors (471400604).

518540572 is a wasteful number, since it uses less digits than its factorization.

518540572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11785028 (or 11785026 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 37.

The square root of 518540572 is about 22771.4859418528. The cubic root of 518540572 is about 803.3921442838.

The spelling of 518540572 in words is "five hundred eighteen million, five hundred forty thousand, five hundred seventy-two".