259117 has 4 divisors (see below), whose sum is σ = 264060. Its totient is φ = 254176.

The previous prime is 259099. The next prime is 259121. The reversal of 259117 is 711952.

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 184041 + 75076 = 429^2 + 274^2 .

It is a cyclic number.

It is not a de Polignac number, because 259117 - 2¹¹ = 257069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 259091 and 259100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259157) 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, 2392 + ... + 2497.

It is an arithmetic number, because the mean of its divisors is an integer number (66015).

2²⁵⁹¹¹⁷ is an apocalyptic number.

It is an amenable number.

259117 is a deficient number, since it is larger than the sum of its proper divisors (4943).

259117 is an equidigital number, since it uses as much as digits as its factorization.

259117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4942.

The product of its digits is 630, while the sum is 25.

The square root of 259117 is about 509.0353622294. The cubic root of 259117 is about 63.7527078178.

It can be divided in two parts, 259 and 117, that multiplied together give a palindrome (30303).

The spelling of 259117 in words is "two hundred fifty-nine thousand, one hundred seventeen".