572635663 has 2 divisors, whose sum is σ = 572635664. Its totient is φ = 572635662.

The previous prime is 572635603. The next prime is 572635681. The reversal of 572635663 is 366536275.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 572635663 - 2²¹ = 570538511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (572635603) 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, 286317831 + 286317832.

It is an arithmetic number, because the mean of its divisors is an integer number (286317832).

Almost surely, 2^572635663 is an apocalyptic number.

572635663 is a deficient number, since it is larger than the sum of its proper divisors (1).

572635663 is an equidigital number, since it uses as much as digits as its factorization.

572635663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 680400, while the sum is 43.

The square root of 572635663 is about 23929.8069988038. The cubic root of 572635663 is about 830.4104337716.

It can be divided in two parts, 57263 and 5663, that added together give a palindrome (62926).

The spelling of 572635663 in words is "five hundred seventy-two million, six hundred thirty-five thousand, six hundred sixty-three".