572741321 has 2 divisors, whose sum is σ = 572741322. Its totient is φ = 572741320.

The previous prime is 572741317. The next prime is 572741333. The reversal of 572741321 is 123147275.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 295152400 + 277588921 = 17180^2 + 16661^2 .

It is a cyclic number.

It is not a de Polignac number, because 572741321 - 2² = 572741317 is a prime.

It is not a weakly prime, because it can be changed into another prime (572741371) 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, 286370660 + 286370661.

It is an arithmetic number, because the mean of its divisors is an integer number (286370661).

Almost surely, 2^572741321 is an apocalyptic number.

It is an amenable number.

572741321 is a deficient number, since it is larger than the sum of its proper divisors (1).

572741321 is an equidigital number, since it uses as much as digits as its factorization.

572741321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11760, while the sum is 32.

The square root of 572741321 is about 23932.0145620882. The cubic root of 572741321 is about 830.4615041208.

Adding to 572741321 its reverse (123147275), we get a palindrome (695888596).

The spelling of 572741321 in words is "five hundred seventy-two million, seven hundred forty-one thousand, three hundred twenty-one".