565130231 has 4 divisors (see below), whose sum is σ = 566124000. Its totient is φ = 564136464.

The previous prime is 565130197. The next prime is 565130257. The reversal of 565130231 is 132031565.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132031565 = 5 ⋅26406313.

It is a cyclic number.

It is not a de Polignac number, because 565130231 - 2²⁶ = 498021367 is a prime.

It is a super-2 number, since 2×565130231² = 638744355980226722, which contains 22 as substring.

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 565130231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565130431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496031 + ... + 497168.

It is an arithmetic number, because the mean of its divisors is an integer number (141531000).

Almost surely, 2^565130231 is an apocalyptic number.

565130231 is a deficient number, since it is larger than the sum of its proper divisors (993769).

565130231 is an equidigital number, since it uses as much as digits as its factorization.

565130231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993768.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 565130231 is about 23772.4679198437. The cubic root of 565130231 is about 826.7664536764.

Adding to 565130231 its reverse (132031565), we get a palindrome (697161796).

The spelling of 565130231 in words is "five hundred sixty-five million, one hundred thirty thousand, two hundred thirty-one".