572217697 has 2 divisors, whose sum is σ = 572217698. Its totient is φ = 572217696.

The previous prime is 572217629. The next prime is 572217707. The reversal of 572217697 is 796712275.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 561168721 + 11048976 = 23689^2 + 3324^2 .

It is a cyclic number.

It is not a de Polignac number, because 572217697 - 2¹¹ = 572215649 is a prime.

It is not a weakly prime, because it can be changed into another prime (572217397) by changing a digit.

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 as a sum of consecutive naturals, namely, 286108848 + 286108849.

It is an arithmetic number, because the mean of its divisors is an integer number (286108849).

Almost surely, 2^572217697 is an apocalyptic number.

It is an amenable number.

572217697 is a deficient number, since it is larger than the sum of its proper divisors (1).

572217697 is an equidigital number, since it uses as much as digits as its factorization.

572217697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 370440, while the sum is 46.

The square root of 572217697 is about 23921.0722376736. The cubic root of 572217697 is about 830.2083461096.

The spelling of 572217697 in words is "five hundred seventy-two million, two hundred seventeen thousand, six hundred ninety-seven".