559609 has 4 divisors (see below), whose sum is σ = 573300. Its totient is φ = 545920.

The previous prime is 559597. The next prime is 559631. The reversal of 559609 is 906955.

559609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 41209 + 518400 = 203^2 + 720^2 .

It is a cyclic number.

It is not a de Polignac number, because 559609 - 2⁵ = 559577 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 (559639) 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, 6784 + ... + 6865.

It is an arithmetic number, because the mean of its divisors is an integer number (143325).

2⁵⁵⁹⁶⁰⁹ is an apocalyptic number.

It is an amenable number.

559609 is a deficient number, since it is larger than the sum of its proper divisors (13691).

559609 is a wasteful number, since it uses less digits than its factorization.

559609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13690.

The product of its (nonzero) digits is 12150, while the sum is 34.

The square root of 559609 is about 748.0701838731. The cubic root of 559609 is about 82.4065179279.

The spelling of 559609 in words is "five hundred fifty-nine thousand, six hundred nine".