572650621 has 2 divisors, whose sum is σ = 572650622. Its totient is φ = 572650620.

The previous prime is 572650607. The next prime is 572650721. The reversal of 572650621 is 126056275.

572650621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 497914596 + 74736025 = 22314^2 + 8645^2 .

It is a cyclic number.

It is not a de Polignac number, because 572650621 - 2⁹ = 572650109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (572650721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286325310 + 286325311.

It is an arithmetic number, because the mean of its divisors is an integer number (286325311).

Almost surely, 2^572650621 is an apocalyptic number.

It is an amenable number.

572650621 is a deficient number, since it is larger than the sum of its proper divisors (1).

572650621 is an equidigital number, since it uses as much as digits as its factorization.

572650621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 572650621 is about 23930.1195358485. The cubic root of 572650621 is about 830.4176641811.

The spelling of 572650621 in words is "five hundred seventy-two million, six hundred fifty thousand, six hundred twenty-one".