195995 has 4 divisors (see below), whose sum is σ = 235200. Its totient is φ = 156792.

The previous prime is 195991. The next prime is 195997. The reversal of 195995 is 599591.

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

It is a cyclic number.

It is not a de Polignac number, because 195995 - 2² = 195991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (195991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19595 + ... + 19604.

It is an arithmetic number, because the mean of its divisors is an integer number (58800).

2¹⁹⁵⁹⁹⁵ is an apocalyptic number.

195995 is a deficient number, since it is larger than the sum of its proper divisors (39205).

195995 is an equidigital number, since it uses as much as digits as its factorization.

195995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39204.

The product of its digits is 18225, while the sum is 38.

The square root of 195995 is about 442.7132254632. The cubic root of 195995 is about 58.0873633871.

The spelling of 195995 in words is "one hundred ninety-five thousand, nine hundred ninety-five".