572229521 has 2 divisors, whose sum is σ = 572229522. Its totient is φ = 572229520.

The previous prime is 572229487. The next prime is 572229563. The reversal of 572229521 is 125922275.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 569490496 + 2739025 = 23864^2 + 1655^2 .

It is a cyclic number.

It is not a de Polignac number, because 572229521 - 2¹⁴ = 572213137 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (572229221) 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, 286114760 + 286114761.

It is an arithmetic number, because the mean of its divisors is an integer number (286114761).

Almost surely, 2^572229521 is an apocalyptic number.

It is an amenable number.

572229521 is a deficient number, since it is larger than the sum of its proper divisors (1).

572229521 is an equidigital number, since it uses as much as digits as its factorization.

572229521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 35.

The square root of 572229521 is about 23921.3193825090. The cubic root of 572229521 is about 830.2140643971.

The spelling of 572229521 in words is "five hundred seventy-two million, two hundred twenty-nine thousand, five hundred twenty-one".