258271 has 4 divisors (see below), whose sum is σ = 278152. Its totient is φ = 238392.

The previous prime is 258253. The next prime is 258277. The reversal of 258271 is 172852.

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 258271 - 2⁷ = 258143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258277) 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, 9921 + ... + 9946.

It is an arithmetic number, because the mean of its divisors is an integer number (69538).

2²⁵⁸²⁷¹ is an apocalyptic number.

258271 is a deficient number, since it is larger than the sum of its proper divisors (19881).

258271 is a wasteful number, since it uses less digits than its factorization.

258271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19880.

The product of its digits is 1120, while the sum is 25.

The square root of 258271 is about 508.2036993175. The cubic root of 258271 is about 63.6832493681.

It can be divided in two parts, 258 and 271, that added together give a square (529 = 23²).

The spelling of 258271 in words is "two hundred fifty-eight thousand, two hundred seventy-one".