572042609 has 2 divisors, whose sum is σ = 572042610. Its totient is φ = 572042608.

The previous prime is 572042587. The next prime is 572042641. The reversal of 572042609 is 906240275.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 474586225 + 97456384 = 21785^2 + 9872^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-572042609 is a prime.

It is not a weakly prime, because it can be changed into another prime (572042699) 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, 286021304 + 286021305.

It is an arithmetic number, because the mean of its divisors is an integer number (286021305).

Almost surely, 2^572042609 is an apocalyptic number.

It is an amenable number.

572042609 is a deficient number, since it is larger than the sum of its proper divisors (1).

572042609 is an equidigital number, since it uses as much as digits as its factorization.

572042609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 572042609 is about 23917.4122555096. The cubic root of 572042609 is about 830.1236613542.

The spelling of 572042609 in words is "five hundred seventy-two million, forty-two thousand, six hundred nine".