568615613 has 8 divisors (see below), whose sum is σ = 574890360. Its totient is φ = 562360320.

The previous prime is 568615601. The next prime is 568615657. The reversal of 568615613 is 316516865.

568615613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 492262969 + 76352644 = 22187^2 + 8738^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 568615613 - 2⁶ = 568615549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (568617613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58373 + ... + 67413.

It is an arithmetic number, because the mean of its divisors is an integer number (71861295).

Almost surely, 2^568615613 is an apocalyptic number.

It is an amenable number.

568615613 is a deficient number, since it is larger than the sum of its proper divisors (6274747).

568615613 is a wasteful number, since it uses less digits than its factorization.

568615613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9727.

The product of its digits is 129600, while the sum is 41.

The square root of 568615613 is about 23845.6623518828. The cubic root of 568615613 is about 828.4626368388.

The spelling of 568615613 in words is "five hundred sixty-eight million, six hundred fifteen thousand, six hundred thirteen".