572361521 has 2 divisors, whose sum is σ = 572361522. Its totient is φ = 572361520.

The previous prime is 572361451. The next prime is 572361539. The reversal of 572361521 is 125163275.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 476810896 + 95550625 = 21836^2 + 9775^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-572361521 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (572361721) 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, 286180760 + 286180761.

It is an arithmetic number, because the mean of its divisors is an integer number (286180761).

Almost surely, 2^572361521 is an apocalyptic number.

It is an amenable number.

572361521 is a deficient number, since it is larger than the sum of its proper divisors (1).

572361521 is an equidigital number, since it uses as much as digits as its factorization.

572361521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12600, while the sum is 32.

The square root of 572361521 is about 23924.0782685561. The cubic root of 572361521 is about 830.2778964942.

The spelling of 572361521 in words is "five hundred seventy-two million, three hundred sixty-one thousand, five hundred twenty-one".