204695 has 4 divisors (see below), whose sum is σ = 245640. Its totient is φ = 163752.

The previous prime is 204679. The next prime is 204707. The reversal of 204695 is 596402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 596402 = 2 ⋅298201.

It is a cyclic number.

It is not a de Polignac number, because 204695 - 2⁴ = 204679 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 204695.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20465 + ... + 20474.

It is an arithmetic number, because the mean of its divisors is an integer number (61410).

2²⁰⁴⁶⁹⁵ is an apocalyptic number.

204695 is a deficient number, since it is larger than the sum of its proper divisors (40945).

204695 is an equidigital number, since it uses as much as digits as its factorization.

204695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40944.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 204695 is about 452.4323153799. The cubic root of 204695 is about 58.9344287326.

The spelling of 204695 in words is "two hundred four thousand, six hundred ninety-five".