565313 has 12 divisors (see below), whose sum is σ = 670320. Its totient is φ = 475272.

The previous prime is 565303. The next prime is 565319. The reversal of 565313 is 313565.

It is not a de Polignac number, because 565313 - 2⁸ = 565057 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (565319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3998 + ... + 4136.

It is an arithmetic number, because the mean of its divisors is an integer number (55860).

2⁵⁶⁵³¹³ is an apocalyptic number.

It is an amenable number.

565313 is a deficient number, since it is larger than the sum of its proper divisors (105007).

565313 is a wasteful number, since it uses less digits than its factorization.

565313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236 (or 229 counting only the distinct ones).

The product of its digits is 1350, while the sum is 23.

The square root of 565313 is about 751.8729945942. The cubic root of 565313 is about 82.6855572363.

Adding to 565313 its reverse (313565), we get a palindrome (878878).

It can be divided in two parts, 565 and 313, that added together give a palindrome (878).

The spelling of 565313 in words is "five hundred sixty-five thousand, three hundred thirteen".