258251 has 8 divisors (see below), whose sum is σ = 299520. Its totient is φ = 218088.

The previous prime is 258241. The next prime is 258253. The reversal of 258251 is 152852.

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

It is a cyclic number.

It is not a de Polignac number, because 258251 - 2¹⁴ = 241867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258253) 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, 320 + ... + 786.

It is an arithmetic number, because the mean of its divisors is an integer number (37440).

2²⁵⁸²⁵¹ is an apocalyptic number.

258251 is a deficient number, since it is larger than the sum of its proper divisors (41269).

258251 is an equidigital number, since it uses as much as digits as its factorization.

258251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553.

The product of its digits is 800, while the sum is 23.

The square root of 258251 is about 508.1840217874. The cubic root of 258251 is about 63.6816054903.

The spelling of 258251 in words is "two hundred fifty-eight thousand, two hundred fifty-one".