565253 has 4 divisors (see below), whose sum is σ = 608748. Its totient is φ = 521760.

The previous prime is 565247. The next prime is 565259. The reversal of 565253 is 352565.

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 (565247) and next prime (565259).

It can be written as a sum of positive squares in 2 ways, for example, as 232324 + 332929 = 482^2 + 577^2 .

It is a cyclic number.

It is not a de Polignac number, because 565253 - 2⁴ = 565237 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 (565259) 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 3 ways as a sum of consecutive naturals, for example, 21728 + ... + 21753.

It is an arithmetic number, because the mean of its divisors is an integer number (152187).

2⁵⁶⁵²⁵³ is an apocalyptic number.

It is an amenable number.

565253 is a deficient number, since it is larger than the sum of its proper divisors (43495).

565253 is a wasteful number, since it uses less digits than its factorization.

565253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43494.

The product of its digits is 4500, while the sum is 26.

The square root of 565253 is about 751.8330931796. The cubic root of 565253 is about 82.6826318309.

It can be divided in two parts, 565 and 253, that added together give a palindrome (818).

The spelling of 565253 in words is "five hundred sixty-five thousand, two hundred fifty-three".