258241 has 2 divisors, whose sum is σ = 258242. Its totient is φ = 258240.

The previous prime is 258233. The next prime is 258253. The reversal of 258241 is 142852.

258241 is nontrivially palindromic in base 13.

258241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 254016 + 4225 = 504^2 + 65^2 .

It is a cyclic number.

It is not a de Polignac number, because 258241 - 2³ = 258233 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (258211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129120 + 129121.

It is an arithmetic number, because the mean of its divisors is an integer number (129121).

2²⁵⁸²⁴¹ is an apocalyptic number.

It is an amenable number.

258241 is a deficient number, since it is larger than the sum of its proper divisors (1).

258241 is an equidigital number, since it uses as much as digits as its factorization.

258241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 640, while the sum is 22.

The square root of 258241 is about 508.1741827366. The cubic root of 258241 is about 63.6807835196.

The spelling of 258241 in words is "two hundred fifty-eight thousand, two hundred forty-one".