559409 has 4 divisors (see below), whose sum is σ = 567360. Its totient is φ = 551460.

The previous prime is 559397. The next prime is 559421. The reversal of 559409 is 904955.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (559397) and next prime (559421).

It is a cyclic number.

It is not a de Polignac number, because 559409 - 2¹⁶ = 493873 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 559409.

It is not an unprimeable number, because it can be changed into a prime (559459) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 3869 + ... + 4010.

It is an arithmetic number, because the mean of its divisors is an integer number (141840).

2⁵⁵⁹⁴⁰⁹ is an apocalyptic number.

It is an amenable number.

559409 is a deficient number, since it is larger than the sum of its proper divisors (7951).

559409 is an equidigital number, since it uses as much as digits as its factorization.

559409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7950.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 559409 is about 747.9364946304. The cubic root of 559409 is about 82.3966996039.

The spelling of 559409 in words is "five hundred fifty-nine thousand, four hundred nine".