195005 has 8 divisors (see below), whose sum is σ = 239712. Its totient is φ = 152208.

The previous prime is 194989. The next prime is 195023. The reversal of 195005 is 500591.

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

It is a cyclic number.

It is not a de Polignac number, because 195005 - 2⁴ = 194989 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 239 + ... + 668.

It is an arithmetic number, because the mean of its divisors is an integer number (29964).

2¹⁹⁵⁰⁰⁵ is an apocalyptic number.

It is an amenable number.

195005 is a deficient number, since it is larger than the sum of its proper divisors (44707).

195005 is an equidigital number, since it uses as much as digits as its factorization.

195005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955.

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 195005 is about 441.5937046653. The cubic root of 195005 is about 57.9893956039.

Adding to 195005 its reverse (500591), we get a palindrome (695596).

The spelling of 195005 in words is "one hundred ninety-five thousand, five".