565004 has 12 divisors (see below), whose sum is σ = 1078728. Its totient is φ = 256800.

The previous prime is 564997. The next prime is 565013. The reversal of 565004 is 400565.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6377 + ... + 6464.

It is an arithmetic number, because the mean of its divisors is an integer number (89894).

2⁵⁶⁵⁰⁰⁴ is an apocalyptic number.

It is an amenable number.

565004 is a deficient number, since it is larger than the sum of its proper divisors (513724).

565004 is a wasteful number, since it uses less digits than its factorization.

565004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12856 (or 12854 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 565004 is about 751.6674796744. The cubic root of 565004 is about 82.6704891862.

Adding to 565004 its reverse (400565), we get a palindrome (965569).

The spelling of 565004 in words is "five hundred sixty-five thousand, four".