572763491 has 2 divisors, whose sum is σ = 572763492. Its totient is φ = 572763490.

The previous prime is 572763487. The next prime is 572763497. The reversal of 572763491 is 194367275.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 572763491 - 2² = 572763487 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (572763497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286381745 + 286381746.

It is an arithmetic number, because the mean of its divisors is an integer number (286381746).

Almost surely, 2^572763491 is an apocalyptic number.

572763491 is a deficient number, since it is larger than the sum of its proper divisors (1).

572763491 is an equidigital number, since it uses as much as digits as its factorization.

572763491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 44.

The square root of 572763491 is about 23932.4777446883. The cubic root of 572763491 is about 830.4722193095.

The spelling of 572763491 in words is "five hundred seventy-two million, seven hundred sixty-three thousand, four hundred ninety-one".