258955 has 8 divisors (see below), whose sum is σ = 315792. Its totient is φ = 203808.

The previous prime is 258949. The next prime is 258959. The reversal of 258955 is 559852.

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

It is a cyclic number.

It is not a de Polignac number, because 258955 - 2⁷ = 258827 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 258955.

It is not an unprimeable number, because it can be changed into a prime (258959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52 + ... + 721.

It is an arithmetic number, because the mean of its divisors is an integer number (39474).

2²⁵⁸⁹⁵⁵ is an apocalyptic number.

258955 is a deficient number, since it is larger than the sum of its proper divisors (56837).

258955 is an equidigital number, since it uses as much as digits as its factorization.

258955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845.

The product of its digits is 18000, while the sum is 34.

The square root of 258955 is about 508.8762128455. The cubic root of 258955 is about 63.7394189795.

The spelling of 258955 in words is "two hundred fifty-eight thousand, nine hundred fifty-five".