258195 has 16 divisors (see below), whose sum is σ = 472320. Its totient is φ = 117984.

The previous prime is 258173. The next prime is 258197. The reversal of 258195 is 591852.

It is not a de Polignac number, because 258195 - 2⁶ = 258131 is a prime.

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 258195.

It is not an unprimeable number, because it can be changed into a prime (258197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1125 + ... + 1334.

It is an arithmetic number, because the mean of its divisors is an integer number (29520).

2²⁵⁸¹⁹⁵ is an apocalyptic number.

258195 is a deficient number, since it is larger than the sum of its proper divisors (214125).

258195 is a wasteful number, since it uses less digits than its factorization.

258195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2474.

The product of its digits is 3600, while the sum is 30.

The square root of 258195 is about 508.1289206491. The cubic root of 258195 is about 63.6770021810.

The spelling of 258195 in words is "two hundred fifty-eight thousand, one hundred ninety-five".