259143 has 4 divisors (see below), whose sum is σ = 345528. Its totient is φ = 172760.

The previous prime is 259123. The next prime is 259151. The reversal of 259143 is 341952.

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

It is a cyclic number.

It is not a de Polignac number, because 259143 - 2⁸ = 258887 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259123) 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, 43188 + ... + 43193.

It is an arithmetic number, because the mean of its divisors is an integer number (86382).

2²⁵⁹¹⁴³ is an apocalyptic number.

259143 is a deficient number, since it is larger than the sum of its proper divisors (86385).

259143 is an equidigital number, since it uses as much as digits as its factorization.

259143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86384.

The product of its digits is 1080, while the sum is 24.

The square root of 259143 is about 509.0609000896. The cubic root of 259143 is about 63.7548400785.

The spelling of 259143 in words is "two hundred fifty-nine thousand, one hundred forty-three".