565090 has 8 divisors (see below), whose sum is σ = 1017180. Its totient is φ = 226032.

The previous prime is 565069. The next prime is 565109. The reversal of 565090 is 90565.

It is a happy number.

565090 is nontrivially palindromic in base 4.

565090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 564001 + 1089 = 751^2 + 33^2 .

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

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

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, 28245 + ... + 28264.

2⁵⁶⁵⁰⁹⁰ is an apocalyptic number.

565090 is a deficient number, since it is larger than the sum of its proper divisors (452090).

565090 is a wasteful number, since it uses less digits than its factorization.

565090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56516.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 565090 is about 751.7246836442. The cubic root of 565090 is about 82.6746834346.

The spelling of 565090 in words is "five hundred sixty-five thousand, ninety".