258095 has 8 divisors (see below), whose sum is σ = 317520. Its totient is φ = 201280.

The previous prime is 258067. The next prime is 258101. The reversal of 258095 is 590852.

258095 is nontrivially palindromic in base 15.

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

It is not a de Polignac number, because 258095 - 2⁶ = 258031 is a prime.

It is a super-2 number, since 2×258095² = 133226058050, which contains 22 as substring.

It is an Ulam 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 258095.

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 7 ways as a sum of consecutive naturals, for example, 425 + ... + 834.

It is an arithmetic number, because the mean of its divisors is an integer number (39690).

2²⁵⁸⁰⁹⁵ is an apocalyptic number.

258095 is a deficient number, since it is larger than the sum of its proper divisors (59425).

258095 is a wasteful number, since it uses less digits than its factorization.

258095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 258095 is about 508.0305108948. The cubic root of 258095 is about 63.6687803300.

The spelling of 258095 in words is "two hundred fifty-eight thousand, ninety-five".