259261 has 4 divisors (see below), whose sum is σ = 261792. Its totient is φ = 256732.

The previous prime is 259229. The next prime is 259271. The reversal of 259261 is 162952.

259261 is an esthetic number in base 9, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 259261 - 2⁵ = 259229 is a prime.

It is a super-2 number, since 2×259261² = 134432532242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1105 + ... + 1318.

It is an arithmetic number, because the mean of its divisors is an integer number (65448).

2²⁵⁹²⁶¹ is an apocalyptic number.

It is an amenable number.

259261 is a deficient number, since it is larger than the sum of its proper divisors (2531).

259261 is a wasteful number, since it uses less digits than its factorization.

259261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530.

The product of its digits is 1080, while the sum is 25.

The square root of 259261 is about 509.1767865879. The cubic root of 259261 is about 63.7645154695.

The spelling of 259261 in words is "two hundred fifty-nine thousand, two hundred sixty-one".