565094879 has 4 divisors (see below), whose sum is σ = 565366200. Its totient is φ = 564823560.

The previous prime is 565094869. The next prime is 565094917. The reversal of 565094879 is 978490565.

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 565094879 - 2¹² = 565090783 is a prime.

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 565094879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565094809) 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, 132512 + ... + 136709.

It is an arithmetic number, because the mean of its divisors is an integer number (141341550).

Almost surely, 2^565094879 is an apocalyptic number.

565094879 is a deficient number, since it is larger than the sum of its proper divisors (271321).

565094879 is a wasteful number, since it uses less digits than its factorization.

565094879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271320.

The product of its (nonzero) digits is 2721600, while the sum is 53.

The square root of 565094879 is about 23771.7243589942. The cubic root of 565094879 is about 826.7492137227.

The spelling of 565094879 in words is "five hundred sixty-five million, ninety-four thousand, eight hundred seventy-nine".