195205 has 4 divisors (see below), whose sum is σ = 234252. Its totient is φ = 156160.

The previous prime is 195203. The next prime is 195229. The reversal of 195205 is 502591.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 134689 + 60516 = 367^2 + 246^2 .

It is not a de Polignac number, because 195205 - 2¹ = 195203 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195203) 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, 19516 + ... + 19525.

It is an arithmetic number, because the mean of its divisors is an integer number (58563).

2¹⁹⁵²⁰⁵ is an apocalyptic number.

It is an amenable number.

195205 is a deficient number, since it is larger than the sum of its proper divisors (39047).

195205 is an equidigital number, since it uses as much as digits as its factorization.

195205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39046.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 195205 is about 441.8200991354. The cubic root of 195205 is about 58.0092137562.

Adding to 195205 its reverse (502591), we get a palindrome (697796).

It can be divided in two parts, 195 and 205, that added together give a square (400 = 20²).

The spelling of 195205 in words is "one hundred ninety-five thousand, two hundred five".