231258 has 8 divisors (see below), whose sum is σ = 462528. Its totient is φ = 77084.

The previous prime is 231241. The next prime is 231269. The reversal of 231258 is 852132.

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

231258 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19266 + ... + 19277.

It is an arithmetic number, because the mean of its divisors is an integer number (57816).

2²³¹²⁵⁸ is an apocalyptic number.

231258 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231258 is a wasteful number, since it uses less digits than its factorization.

231258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38548.

The product of its digits is 480, while the sum is 21.

The square root of 231258 is about 480.8929194738. The cubic root of 231258 is about 61.3807591074.

The spelling of 231258 in words is "two hundred thirty-one thousand, two hundred fifty-eight".