565339 has 4 divisors (see below), whose sum is σ = 570456. Its totient is φ = 560224.

The previous prime is 565337. The next prime is 565343. The reversal of 565339 is 933565.

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

It is a cyclic number.

It is not a de Polignac number, because 565339 - 2¹ = 565337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 565339.

It is not an unprimeable number, because it can be changed into a prime (565333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2389 + ... + 2614.

It is an arithmetic number, because the mean of its divisors is an integer number (142614).

2⁵⁶⁵³³⁹ is an apocalyptic number.

565339 is a deficient number, since it is larger than the sum of its proper divisors (5117).

565339 is a wasteful number, since it uses less digits than its factorization.

565339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5116.

The product of its digits is 12150, while the sum is 31.

The square root of 565339 is about 751.8902845495. The cubic root of 565339 is about 82.6868248476.

The spelling of 565339 in words is "five hundred sixty-five thousand, three hundred thirty-nine".