568345 has 8 divisors (see below), whose sum is σ = 686664. Its totient is φ = 451584.

The previous prime is 568303. The next prime is 568349. The reversal of 568345 is 543865.

It can be written as a sum of positive squares in 4 ways, for example, as 399424 + 168921 = 632^2 + 411^2 .

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

It is a 4-Lehmer number, since φ(568345) divides (568345-1)⁴.

It is a cyclic number.

It is not a de Polignac number, because 568345 - 2¹⁷ = 437273 is a prime.

It is a Duffinian number.

568345 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (568349) 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, 697 + ... + 1273.

It is an arithmetic number, because the mean of its divisors is an integer number (85833).

2⁵⁶⁸³⁴⁵ is an apocalyptic number.

It is an amenable number.

568345 is a deficient number, since it is larger than the sum of its proper divisors (118319).

568345 is a wasteful number, since it uses less digits than its factorization.

568345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779.

The product of its digits is 14400, while the sum is 31.

The square root of 568345 is about 753.8865962464. The cubic root of 568345 is about 82.8331189906.

The spelling of 568345 in words is "five hundred sixty-eight thousand, three hundred forty-five".