565245 has 32 divisors (see below), whose sum is σ = 1036800. Its totient is φ = 292032.

The previous prime is 565241. The next prime is 565247. The reversal of 565245 is 542565.

565245 is a `hidden beast` number, since 5 + 652 + 4 + 5 = 666.

It is not a de Polignac number, because 565245 - 2² = 565241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7116 + ... + 7194.

It is an arithmetic number, because the mean of its divisors is an integer number (32400).

2⁵⁶⁵²⁴⁵ is an apocalyptic number.

It is an amenable number.

565245 is a deficient number, since it is larger than the sum of its proper divisors (471555).

565245 is a wasteful number, since it uses less digits than its factorization.

565245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 140 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 565245 is about 751.8277728310. The cubic root of 565245 is about 82.6822417613.

The spelling of 565245 in words is "five hundred sixty-five thousand, two hundred forty-five".