572441869 has 2 divisors, whose sum is σ = 572441870. Its totient is φ = 572441868.

The previous prime is 572441827. The next prime is 572441879. The reversal of 572441869 is 968144275.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 434097225 + 138344644 = 20835^2 + 11762^2 .

It is a cyclic number.

It is not a de Polignac number, because 572441869 - 2⁷ = 572441741 is a prime.

It is a super-2 number, since 2×572441869² = 655379386768426322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (572441809) 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, 286220934 + 286220935.

It is an arithmetic number, because the mean of its divisors is an integer number (286220935).

Almost surely, 2^572441869 is an apocalyptic number.

It is an amenable number.

572441869 is a deficient number, since it is larger than the sum of its proper divisors (1).

572441869 is an equidigital number, since it uses as much as digits as its factorization.

572441869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 46.

The square root of 572441869 is about 23925.7574383759. The cubic root of 572441869 is about 830.3167460934.

The spelling of 572441869 in words is "five hundred seventy-two million, four hundred forty-one thousand, eight hundred sixty-nine".