258270 has 16 divisors (see below), whose sum is σ = 619920. Its totient is φ = 68864.

The previous prime is 258253. The next prime is 258277. The reversal of 258270 is 72852.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 258270.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258277) by changing a digit.

258270 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4275 + ... + 4334.

It is an arithmetic number, because the mean of its divisors is an integer number (38745).

2²⁵⁸²⁷⁰ is an apocalyptic number.

258270 is an abundant number, since it is smaller than the sum of its proper divisors (361650).

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

258270 is a wasteful number, since it uses less digits than its factorization.

258270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8619.

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

The square root of 258270 is about 508.2027154591. The cubic root of 258270 is about 63.6831671762.

It can be divided in two parts, 258 and 270, that added together give a triangular number (528 = T₃₂).

The spelling of 258270 in words is "two hundred fifty-eight thousand, two hundred seventy".