258901 has 4 divisors (see below), whose sum is σ = 261900. Its totient is φ = 255904.

The previous prime is 258887. The next prime is 258917. The reversal of 258901 is 109852.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 139876 + 119025 = 374^2 + 345^2 .

It is a cyclic number.

It is not a de Polignac number, because 258901 - 2⁹ = 258389 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258971) 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, 1366 + ... + 1543.

It is an arithmetic number, because the mean of its divisors is an integer number (65475).

2²⁵⁸⁹⁰¹ is an apocalyptic number.

It is an amenable number.

258901 is a deficient number, since it is larger than the sum of its proper divisors (2999).

258901 is an equidigital number, since it uses as much as digits as its factorization.

258901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2998.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 258901 is about 508.8231519890. The cubic root of 258901 is about 63.7349881352.

The spelling of 258901 in words is "two hundred fifty-eight thousand, nine hundred one".