258575 has 6 divisors (see below), whose sum is σ = 320664. Its totient is φ = 206840.

The previous prime is 258569. The next prime is 258581. The reversal of 258575 is 575852.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (258569) and next prime (258581).

It is not a de Polignac number, because 258575 - 2⁸ = 258319 is a prime.

It is a super-2 number, since 2×258575² = 133722061250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 258575.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5147 + ... + 5196.

It is an arithmetic number, because the mean of its divisors is an integer number (53444).

2²⁵⁸⁵⁷⁵ is an apocalyptic number.

258575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

258575 is a deficient number, since it is larger than the sum of its proper divisors (62089).

258575 is a wasteful number, since it uses less digits than its factorization.

258575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10353 (or 10348 counting only the distinct ones).

The product of its digits is 14000, while the sum is 32.

The square root of 258575 is about 508.5027040243. The cubic root of 258575 is about 63.7082258681.

The spelling of 258575 in words is "two hundred fifty-eight thousand, five hundred seventy-five".