259513 has 4 divisors (see below), whose sum is σ = 261520. Its totient is φ = 257508.

The previous prime is 259507. The next prime is 259517. The reversal of 259513 is 315952.

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 259513 - 2⁹ = 259001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (259517) 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, 795 + ... + 1072.

It is an arithmetic number, because the mean of its divisors is an integer number (65380).

2²⁵⁹⁵¹³ is an apocalyptic number.

It is an amenable number.

259513 is a deficient number, since it is larger than the sum of its proper divisors (2007).

259513 is a wasteful number, since it uses less digits than its factorization.

259513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2006.

The product of its digits is 1350, while the sum is 25.

The square root of 259513 is about 509.4241847419. The cubic root of 259513 is about 63.7851683438.

The spelling of 259513 in words is "two hundred fifty-nine thousand, five hundred thirteen".