568396081 has 4 divisors (see below), whose sum is σ = 620068464. Its totient is φ = 516723700.

The previous prime is 568396057. The next prime is 568396093. The reversal of 568396081 is 180693865.

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 568396081 - 2⁷ = 568395953 is a prime.

It is a super-2 number, since 2×568396081² = 646148209792317122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (568396181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25836175 + ... + 25836196.

It is an arithmetic number, because the mean of its divisors is an integer number (155017116).

Almost surely, 2^568396081 is an apocalyptic number.

It is an amenable number.

568396081 is a deficient number, since it is larger than the sum of its proper divisors (51672383).

568396081 is a wasteful number, since it uses less digits than its factorization.

568396081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51672382.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 568396081 is about 23841.0587222967. The cubic root of 568396081 is about 828.3560050671.

The spelling of 568396081 in words is "five hundred sixty-eight million, three hundred ninety-six thousand, eighty-one".