568663 has 4 divisors (see below), whose sum is σ = 574288. Its totient is φ = 563040.

The previous prime is 568657. The next prime is 568669. The reversal of 568663 is 366865.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (568657) and next prime (568669).

It is a cyclic number.

It is not a de Polignac number, because 568663 - 2⁹ = 568151 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 (568669) 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, 2658 + ... + 2863.

It is an arithmetic number, because the mean of its divisors is an integer number (143572).

2⁵⁶⁸⁶⁶³ is an apocalyptic number.

568663 is a deficient number, since it is larger than the sum of its proper divisors (5625).

568663 is a wasteful number, since it uses less digits than its factorization.

568663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5624.

The product of its digits is 25920, while the sum is 34.

The square root of 568663 is about 754.0974738056. The cubic root of 568663 is about 82.8485650199.

The spelling of 568663 in words is "five hundred sixty-eight thousand, six hundred sixty-three".