258097 has 4 divisors (see below), whose sum is σ = 294976. Its totient is φ = 221220.

The previous prime is 258067. The next prime is 258101. The reversal of 258097 is 790852.

258097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 258097 - 2¹¹ = 256049 is a prime.

It is a super-2 number, since 2×258097² = 133228122818, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18429 + ... + 18442.

It is an arithmetic number, because the mean of its divisors is an integer number (73744).

2²⁵⁸⁰⁹⁷ is an apocalyptic number.

It is an amenable number.

258097 is a deficient number, since it is larger than the sum of its proper divisors (36879).

258097 is an equidigital number, since it uses as much as digits as its factorization.

258097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36878.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 258097 is about 508.0324792767. The cubic root of 258097 is about 63.6689447878.

The spelling of 258097 in words is "two hundred fifty-eight thousand, ninety-seven".