565275 has 12 divisors (see below), whose sum is σ = 934712. Its totient is φ = 301440.

The previous prime is 565273. The next prime is 565283. The reversal of 565275 is 572565.

It is not a de Polignac number, because 565275 - 2¹ = 565273 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (565273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3694 + ... + 3843.

2⁵⁶⁵²⁷⁵ is an apocalyptic number.

565275 is a deficient number, since it is larger than the sum of its proper divisors (369437).

565275 is a wasteful number, since it uses less digits than its factorization.

565275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7550 (or 7545 counting only the distinct ones).

The product of its digits is 10500, while the sum is 30.

The square root of 565275 is about 751.8477239442. The cubic root of 565275 is about 82.6837045036.

The spelling of 565275 in words is "five hundred sixty-five thousand, two hundred seventy-five".