259097 has 4 divisors (see below), whose sum is σ = 274356. Its totient is φ = 243840.

The previous prime is 259033. The next prime is 259099. The reversal of 259097 is 790952.

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

It can be written as a sum of positive squares in 2 ways, for example, as 203401 + 55696 = 451^2 + 236^2 .

It is a cyclic number.

It is not a de Polignac number, because 259097 - 2⁶ = 259033 is a prime.

It is a Duffinian number.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7604 + ... + 7637.

It is an arithmetic number, because the mean of its divisors is an integer number (68589).

259097 is a Friedman number, since it can be written as 509^2+9+7, using all its digits and the basic arithmetic operations.

2²⁵⁹⁰⁹⁷ is an apocalyptic number.

It is an amenable number.

259097 is a deficient number, since it is larger than the sum of its proper divisors (15259).

259097 is a wasteful number, since it uses less digits than its factorization.

259097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15258.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 259097 is about 509.0157168497. The cubic root of 259097 is about 63.7510675203.

The spelling of 259097 in words is "two hundred fifty-nine thousand, ninety-seven".