258261 has 8 divisors (see below), whose sum is σ = 355584. Its totient is φ = 166560.

The previous prime is 258253. The next prime is 258277. The reversal of 258261 is 162852.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 258261 - 2³ = 258253 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 258261.

It is not an unprimeable number, because it can be changed into a prime (258211) 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 7 ways as a sum of consecutive naturals, for example, 1296 + ... + 1481.

It is an arithmetic number, because the mean of its divisors is an integer number (44448).

2²⁵⁸²⁶¹ is an apocalyptic number.

It is an amenable number.

258261 is a deficient number, since it is larger than the sum of its proper divisors (97323).

258261 is a wasteful number, since it uses less digits than its factorization.

258261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2811.

The product of its digits is 960, while the sum is 24.

The square root of 258261 is about 508.1938606477. The cubic root of 258261 is about 63.6824274398.

The spelling of 258261 in words is "two hundred fifty-eight thousand, two hundred sixty-one".