259087 has 4 divisors (see below), whose sum is σ = 261856. Its totient is φ = 256320.

The previous prime is 259033. The next prime is 259099. The reversal of 259087 is 780952.

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

It is a cyclic number.

It is not a de Polignac number, because 259087 - 2⁷ = 258959 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 (259387) 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 in 3 ways as a sum of consecutive naturals, for example, 1239 + ... + 1432.

It is an arithmetic number, because the mean of its divisors is an integer number (65464).

2²⁵⁹⁰⁸⁷ is an apocalyptic number.

259087 is a deficient number, since it is larger than the sum of its proper divisors (2769).

259087 is an equidigital number, since it uses as much as digits as its factorization.

259087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2768.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 259087 is about 509.0058938755. The cubic root of 259087 is about 63.7502473398.

The spelling of 259087 in words is "two hundred fifty-nine thousand, eighty-seven".