565493 has 4 divisors (see below), whose sum is σ = 578688. Its totient is φ = 552300.

The previous prime is 565489. The next prime is 565507. The reversal of 565493 is 394565.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 565493 - 2² = 565489 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565463) 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, 6533 + ... + 6618.

It is an arithmetic number, because the mean of its divisors is an integer number (144672).

2⁵⁶⁵⁴⁹³ is an apocalyptic number.

It is an amenable number.

565493 is a deficient number, since it is larger than the sum of its proper divisors (13195).

565493 is a wasteful number, since it uses less digits than its factorization.

565493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13194.

The product of its digits is 16200, while the sum is 32.

The square root of 565493 is about 751.9926861346. The cubic root of 565493 is about 82.6943322104.

The spelling of 565493 in words is "five hundred sixty-five thousand, four hundred ninety-three".