565479239 has 12 divisors (see below), whose sum is σ = 613004616. Its totient is φ = 521638104.

The previous prime is 565479223. The next prime is 565479253. The reversal of 565479239 is 932974565.

It is a happy number.

It is not a de Polignac number, because 565479239 - 2⁴ = 565479223 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 (565779239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 370532 + ... + 372054.

It is an arithmetic number, because the mean of its divisors is an integer number (51083718).

Almost surely, 2^565479239 is an apocalyptic number.

565479239 is a deficient number, since it is larger than the sum of its proper divisors (47525377).

565479239 is an frugal number, since it uses more digits than its factorization.

565479239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588 (or 1536 counting only the distinct ones).

The product of its digits is 2041200, while the sum is 50.

The square root of 565479239 is about 23779.8073793713. The cubic root of 565479239 is about 826.9366142939.

The spelling of 565479239 in words is "five hundred sixty-five million, four hundred seventy-nine thousand, two hundred thirty-nine".