572326817 has 4 divisors (see below), whose sum is σ = 576695856. Its totient is φ = 567957780.

The previous prime is 572326793. The next prime is 572326823. The reversal of 572326817 is 718623275.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 572326817 - 2⁸ = 572326561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (572326717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2184323 + ... + 2184584.

It is an arithmetic number, because the mean of its divisors is an integer number (144173964).

Almost surely, 2^572326817 is an apocalyptic number.

It is an amenable number.

572326817 is a deficient number, since it is larger than the sum of its proper divisors (4369039).

572326817 is a wasteful number, since it uses less digits than its factorization.

572326817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4369038.

The product of its digits is 141120, while the sum is 41.

The square root of 572326817 is about 23923.3529631613. The cubic root of 572326817 is about 830.2611154066.

The spelling of 572326817 in words is "five hundred seventy-two million, three hundred twenty-six thousand, eight hundred seventeen".