259913 has 4 divisors (see below), whose sum is σ = 275220. Its totient is φ = 244608.

The previous prime is 259907. The next prime is 259933. The reversal of 259913 is 319952.

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 183184 + 76729 = 428^2 + 277^2 .

It is a cyclic number.

It is not a de Polignac number, because 259913 - 2⁸ = 259657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (259933) 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, 7628 + ... + 7661.

It is an arithmetic number, because the mean of its divisors is an integer number (68805).

2²⁵⁹⁹¹³ is an apocalyptic number.

It is an amenable number.

259913 is a deficient number, since it is larger than the sum of its proper divisors (15307).

259913 is a wasteful number, since it uses less digits than its factorization.

259913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15306.

The product of its digits is 2430, while the sum is 29.

The square root of 259913 is about 509.8166337027. The cubic root of 259913 is about 63.8179232473.

The spelling of 259913 in words is "two hundred fifty-nine thousand, nine hundred thirteen".