565235231 has 4 divisors (see below), whose sum is σ = 616620264. Its totient is φ = 513850200.

The previous prime is 565235191. The next prime is 565235257. The reversal of 565235231 is 132532565.

565235231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 565235231 - 2¹⁴ = 565218847 is a prime.

It is a super-2 number, since 2×565235231² = 638981732727246722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565232231) 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, 25692500 + ... + 25692521.

It is an arithmetic number, because the mean of its divisors is an integer number (154155066).

Almost surely, 2^565235231 is an apocalyptic number.

565235231 is a deficient number, since it is larger than the sum of its proper divisors (51385033).

565235231 is a wasteful number, since it uses less digits than its factorization.

565235231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51385032.

The product of its digits is 27000, while the sum is 32.

The square root of 565235231 is about 23774.6762543678. The cubic root of 565235231 is about 826.8176543242.

Adding to 565235231 its reverse (132532565), we get a palindrome (697767796).

The spelling of 565235231 in words is "five hundred sixty-five million, two hundred thirty-five thousand, two hundred thirty-one".