259427 has 4 divisors (see below), whose sum is σ = 296496. Its totient is φ = 222360.

The previous prime is 259421. The next prime is 259429. The reversal of 259427 is 724952.

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 259427 - 2⁴ = 259411 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 259427.

It is not an unprimeable number, because it can be changed into a prime (259421) 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, 18524 + ... + 18537.

It is an arithmetic number, because the mean of its divisors is an integer number (74124).

2²⁵⁹⁴²⁷ is an apocalyptic number.

259427 is a deficient number, since it is larger than the sum of its proper divisors (37069).

259427 is an equidigital number, since it uses as much as digits as its factorization.

259427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37068.

The product of its digits is 5040, while the sum is 29.

The square root of 259427 is about 509.3397687203. The cubic root of 259427 is about 63.7781216441.

It can be divided in two parts, 259 and 427, that added together give a palindrome (686).

The spelling of 259427 in words is "two hundred fifty-nine thousand, four hundred twenty-seven".