565834 has 4 divisors (see below), whose sum is σ = 848754. Its totient is φ = 282916.

The previous prime is 565813. The next prime is 565849. The reversal of 565834 is 438565.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 366025 + 199809 = 605^2 + 447^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 565796 and 565805.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 141457 + ... + 141460.

2⁵⁶⁵⁸³⁴ is an apocalyptic number.

565834 is a deficient number, since it is larger than the sum of its proper divisors (282920).

565834 is a wasteful number, since it uses less digits than its factorization.

565834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282919.

The product of its digits is 14400, while the sum is 31.

The square root of 565834 is about 752.2193828930. The cubic root of 565834 is about 82.7109508076.

The spelling of 565834 in words is "five hundred sixty-five thousand, eight hundred thirty-four".