258207 has 4 divisors (see below), whose sum is σ = 344280. Its totient is φ = 172136.

The previous prime is 258197. The next prime is 258211. The reversal of 258207 is 702852.

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 258207 - 2⁶ = 258143 is a prime.

It is a D-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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43032 + ... + 43037.

It is an arithmetic number, because the mean of its divisors is an integer number (86070).

2²⁵⁸²⁰⁷ is an apocalyptic number.

258207 is a deficient number, since it is larger than the sum of its proper divisors (86073).

258207 is an equidigital number, since it uses as much as digits as its factorization.

258207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86072.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 258207 is about 508.1407285389. The cubic root of 258207 is about 63.6779886605.

It can be divided in two parts, 258 and 207, that added together give a triangular number (465 = T₃₀).

The spelling of 258207 in words is "two hundred fifty-eight thousand, two hundred seven".