258099 has 8 divisors (see below), whose sum is σ = 346560. Its totient is φ = 170856.

The previous prime is 258067. The next prime is 258101. The reversal of 258099 is 990852.

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

It is not a de Polignac number, because 258099 - 2⁵ = 258067 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (258019) 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, 492 + ... + 870.

It is an arithmetic number, because the mean of its divisors is an integer number (43320).

2²⁵⁸⁰⁹⁹ is an apocalyptic number.

258099 is a deficient number, since it is larger than the sum of its proper divisors (88461).

258099 is a wasteful number, since it uses less digits than its factorization.

258099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 258099 is about 508.0344476509. The cubic root of 258099 is about 63.6691092448.

The spelling of 258099 in words is "two hundred fifty-eight thousand, ninety-nine".