565565479 has 2 divisors, whose sum is σ = 565565480. Its totient is φ = 565565478.

The previous prime is 565565477. The next prime is 565565509. The reversal of 565565479 is 974565565.

565565479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 565565479 - 2¹ = 565565477 is a prime.

It is a super-2 number, since 2×565565479² = 639728622072998882, which contains 22 as substring.

Together with 565565477, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (565565477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282782739 + 282782740.

It is an arithmetic number, because the mean of its divisors is an integer number (282782740).

Almost surely, 2^565565479 is an apocalyptic number.

565565479 is a deficient number, since it is larger than the sum of its proper divisors (1).

565565479 is an equidigital number, since it uses as much as digits as its factorization.

565565479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5670000, while the sum is 52.

The square root of 565565479 is about 23781.6206134065. The cubic root of 565565479 is about 826.9786502542.

The spelling of 565565479 in words is "five hundred sixty-five million, five hundred sixty-five thousand, four hundred seventy-nine".