568431281 has 4 divisors (see below), whose sum is σ = 620106864. Its totient is φ = 516755700.

The previous prime is 568431263. The next prime is 568431287. The reversal of 568431281 is 182134865.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 568431281 - 2²⁶ = 501322417 is a prime.

It is a super-2 number, since 2×568431281² = 646228242438601922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (568431287) 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 in 3 ways as a sum of consecutive naturals, for example, 25837775 + ... + 25837796.

It is an arithmetic number, because the mean of its divisors is an integer number (155026716).

Almost surely, 2^568431281 is an apocalyptic number.

It is an amenable number.

568431281 is a deficient number, since it is larger than the sum of its proper divisors (51675583).

568431281 is a wasteful number, since it uses less digits than its factorization.

568431281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51675582.

The product of its digits is 46080, while the sum is 38.

The square root of 568431281 is about 23841.7969331173. The cubic root of 568431281 is about 828.3731043695.

The spelling of 568431281 in words is "five hundred sixty-eight million, four hundred thirty-one thousand, two hundred eighty-one".