520668572 has 12 divisors (see below), whose sum is σ = 950786256. Its totient is φ = 249015360.

The previous prime is 520668541. The next prime is 520668587. The reversal of 520668572 is 275866025.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

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, 2829629 + ... + 2829812.

It is an arithmetic number, because the mean of its divisors is an integer number (79232188).

Almost surely, 2^520668572 is an apocalyptic number.

It is an amenable number.

520668572 is a deficient number, since it is larger than the sum of its proper divisors (430117684).

520668572 is a wasteful number, since it uses less digits than its factorization.

520668572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5659468 (or 5659466 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 520668572 is about 22818.1632039040. The cubic root of 520668572 is about 804.4896380538.

The spelling of 520668572 in words is "five hundred twenty million, six hundred sixty-eight thousand, five hundred seventy-two".