259559 has 6 divisors (see below), whose sum is σ = 274320. Its totient is φ = 245556.

The previous prime is 259547. The next prime is 259577. The reversal of 259559 is 955952.

It is a de Polignac number, because none of the positive numbers 2^k-259559 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 (259159) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2 + ... + 720.

It is an arithmetic number, because the mean of its divisors is an integer number (45720).

2²⁵⁹⁵⁵⁹ is an apocalyptic number.

259559 is a deficient number, since it is larger than the sum of its proper divisors (14761).

259559 is an equidigital number, since it uses as much as digits as its factorization.

259559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757 (or 738 counting only the distinct ones).

The product of its digits is 20250, while the sum is 35.

The square root of 259559 is about 509.4693317561. The cubic root of 259559 is about 63.7889368697.

It can be divided in two parts, 259 and 559, that added together give a palindrome (818).

The spelling of 259559 in words is "two hundred fifty-nine thousand, five hundred fifty-nine".