259009 has 2 divisors, whose sum is σ = 259010. Its totient is φ = 259008.

The previous prime is 259001. The next prime is 259019. The reversal of 259009 is 900952.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 207025 + 51984 = 455^2 + 228^2 .

It is a cyclic number.

It is not a de Polignac number, because 259009 - 2³ = 259001 is a prime.

It is not a weakly prime, because it can be changed into another prime (259001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129504 + 129505.

It is an arithmetic number, because the mean of its divisors is an integer number (129505).

2²⁵⁹⁰⁰⁹ is an apocalyptic number.

It is an amenable number.

259009 is a deficient number, since it is larger than the sum of its proper divisors (1).

259009 is an equidigital number, since it uses as much as digits as its factorization.

259009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 259009 is about 508.9292681699. The cubic root of 259009 is about 63.7438492079.

The spelling of 259009 in words is "two hundred fifty-nine thousand, nine".