205795 has 8 divisors (see below), whose sum is σ = 250560. Its totient is φ = 162240.

The previous prime is 205783. The next prime is 205817. The reversal of 205795 is 597502.

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

It is not a de Polignac number, because 205795 - 2⁵ = 205763 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135 + ... + 655.

It is an arithmetic number, because the mean of its divisors is an integer number (31320).

2²⁰⁵⁷⁹⁵ is an apocalyptic number.

205795 is a deficient number, since it is larger than the sum of its proper divisors (44765).

205795 is an equidigital number, since it uses as much as digits as its factorization.

205795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 205795 is about 453.6463380212. The cubic root of 205795 is about 59.0398084308.

It can be divided in two parts, 205 and 795, that added together give a cube (1000 = 10³).

The spelling of 205795 in words is "two hundred five thousand, seven hundred ninety-five".