565117 has 12 divisors (see below), whose sum is σ = 693120. Its totient is φ = 458136.

The previous prime is 565111. The next prime is 565127. The reversal of 565117 is 711565.

It is not a de Polignac number, because 565117 - 2³ = 565109 is a prime.

565117 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 565091 and 565100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 628 + ... + 1234.

It is an arithmetic number, because the mean of its divisors is an integer number (57760).

2⁵⁶⁵¹¹⁷ is an apocalyptic number.

It is an amenable number.

565117 is a deficient number, since it is larger than the sum of its proper divisors (128003).

565117 is a wasteful number, since it uses less digits than its factorization.

565117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640 (or 633 counting only the distinct ones).

The product of its digits is 1050, while the sum is 25.

The square root of 565117 is about 751.7426421323. The cubic root of 565117 is about 82.6760001457.

The spelling of 565117 in words is "five hundred sixty-five thousand, one hundred seventeen".