565442 has 8 divisors (see below), whose sum is σ = 877500. Its totient is φ = 272944.

The previous prime is 565441. The next prime is 565451. The reversal of 565442 is 244565.

It can be written as a sum of positive squares in 2 ways, for example, as 546121 + 19321 = 739^2 + 139^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 565442.

It is not an unprimeable number, because it can be changed into a prime (565441) 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, 4817 + ... + 4932.

2⁵⁶⁵⁴⁴² is an apocalyptic number.

565442 is a deficient number, since it is larger than the sum of its proper divisors (312058).

565442 is a wasteful number, since it uses less digits than its factorization.

565442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9780.

The product of its digits is 4800, while the sum is 26.

The square root of 565442 is about 751.9587754658. The cubic root of 565442 is about 82.6918461568.

The spelling of 565442 in words is "five hundred sixty-five thousand, four hundred forty-two".