259090 has 16 divisors (see below), whose sum is σ = 502488. Its totient is φ = 95616.

The previous prime is 259033. The next prime is 259099. The reversal of 259090 is 90952.

259090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 190969 + 68121 = 437^2 + 261^2 .

It is not an unprimeable number, because it can be changed into a prime (259099) by changing a digit.

259090 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 867 + ... + 1126.

259090 is a Friedman number, since it can be written as 509^(2+0)+9, using all its digits and the basic arithmetic operations.

2²⁵⁹⁰⁹⁰ is an apocalyptic number.

259090 is a deficient number, since it is larger than the sum of its proper divisors (243398).

259090 is a wasteful number, since it uses less digits than its factorization.

259090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2013.

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

The square root of 259090 is about 509.0088407877. The cubic root of 259090 is about 63.7504933962.

The spelling of 259090 in words is "two hundred fifty-nine thousand, ninety".