565369 has 8 divisors (see below), whose sum is σ = 684288. Its totient is φ = 456000.

The previous prime is 565361. The next prime is 565379. The reversal of 565369 is 963565.

565369 is an esthetic number in base 7, because in such base its adjacent digits differ by 1.

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 565369 - 2³ = 565361 is a prime.

It is a super-2 number, since 2×565369² = 639284212322, which contains 22 as substring.

It is a Duffinian number.

565369 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (565361) 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, 2257 + ... + 2494.

It is an arithmetic number, because the mean of its divisors is an integer number (85536).

2⁵⁶⁵³⁶⁹ is an apocalyptic number.

It is an amenable number.

565369 is a deficient number, since it is larger than the sum of its proper divisors (118919).

565369 is a wasteful number, since it uses less digits than its factorization.

565369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4775.

The product of its digits is 24300, while the sum is 34.

The square root of 565369 is about 751.9102340040. The cubic root of 565369 is about 82.6882874278.

The spelling of 565369 in words is "five hundred sixty-five thousand, three hundred sixty-nine".