565228319 has 4 divisors (see below), whose sum is σ = 574808520. Its totient is φ = 555648120.

The previous prime is 565228303. The next prime is 565228333. The reversal of 565228319 is 913822565.

565228319 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 565228319 - 2⁴ = 565228303 is a prime.

It is a super-2 number, since 2×565228319² = 638966105199131522, 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 (565228399) 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, 4790012 + ... + 4790129.

It is an arithmetic number, because the mean of its divisors is an integer number (143702130).

Almost surely, 2^565228319 is an apocalyptic number.

565228319 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

565228319 is a deficient number, since it is larger than the sum of its proper divisors (9580201).

565228319 is an equidigital number, since it uses as much as digits as its factorization.

565228319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9580200.

The product of its digits is 129600, while the sum is 41.

The square root of 565228319 is about 23774.5308891679. The cubic root of 565228319 is about 826.8142840537.

The spelling of 565228319 in words is "five hundred sixty-five million, two hundred twenty-eight thousand, three hundred nineteen".