572664901 has 2 divisors, whose sum is σ = 572664902. Its totient is φ = 572664900.

The previous prime is 572664881. The next prime is 572664949. The reversal of 572664901 is 109466275.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 540516001 + 32148900 = 23249^2 + 5670^2 .

It is a cyclic number.

It is not a de Polignac number, because 572664901 - 2¹³ = 572656709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (572664991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286332450 + 286332451.

It is an arithmetic number, because the mean of its divisors is an integer number (286332451).

Almost surely, 2^572664901 is an apocalyptic number.

It is an amenable number.

572664901 is a deficient number, since it is larger than the sum of its proper divisors (1).

572664901 is an equidigital number, since it uses as much as digits as its factorization.

572664901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 572664901 is about 23930.4179027446. The cubic root of 572664901 is about 830.4245667411.

The spelling of 572664901 in words is "five hundred seventy-two million, six hundred sixty-four thousand, nine hundred one".