572506317 has 12 divisors (see below), whose sum is σ = 862908384. Its totient is φ = 365076360.

The previous prime is 572506273. The next prime is 572506321. The reversal of 572506317 is 713605275.

572506317 is a `hidden beast` number, since 572 + 50 + 6 + 31 + 7 = 666.

It is not a de Polignac number, because 572506317 - 2⁸ = 572506061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (572506327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1382659 + ... + 1383072.

It is an arithmetic number, because the mean of its divisors is an integer number (71909032).

Almost surely, 2^572506317 is an apocalyptic number.

It is an amenable number.

572506317 is a deficient number, since it is larger than the sum of its proper divisors (290402067).

572506317 is a wasteful number, since it uses less digits than its factorization.

572506317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2765760 (or 2765757 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 36.

The square root of 572506317 is about 23927.1042334838. The cubic root of 572506317 is about 830.3479051499.

The spelling of 572506317 in words is "five hundred seventy-two million, five hundred six thousand, three hundred seventeen".