572487317 has 2 divisors, whose sum is σ = 572487318. Its totient is φ = 572487316.

The previous prime is 572487301. The next prime is 572487403. The reversal of 572487317 is 713784275.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 556535281 + 15952036 = 23591^2 + 3994^2 .

It is a cyclic number.

It is not a de Polignac number, because 572487317 - 2⁴ = 572487301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (572487017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286243658 + 286243659.

It is an arithmetic number, because the mean of its divisors is an integer number (286243659).

Almost surely, 2^572487317 is an apocalyptic number.

It is an amenable number.

572487317 is a deficient number, since it is larger than the sum of its proper divisors (1).

572487317 is an equidigital number, since it uses as much as digits as its factorization.

572487317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 329280, while the sum is 44.

The square root of 572487317 is about 23926.7071909195. The cubic root of 572487317 is about 830.3387193504.

The spelling of 572487317 in words is "five hundred seventy-two million, four hundred eighty-seven thousand, three hundred seventeen".