195172 has 12 divisors (see below), whose sum is σ = 347760. Its totient is φ = 95816.

The previous prime is 195163. The next prime is 195193. The reversal of 195172 is 271591.

195172 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 11.

It is an unprimeable number.

195172 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178 + ... + 649.

It is an arithmetic number, because the mean of its divisors is an integer number (28980).

2¹⁹⁵¹⁷² is an apocalyptic number.

It is an amenable number.

195172 is a deficient number, since it is larger than the sum of its proper divisors (152588).

195172 is a wasteful number, since it uses less digits than its factorization.

195172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890 (or 888 counting only the distinct ones).

The product of its digits is 630, while the sum is 25.

The square root of 195172 is about 441.7827520400. The cubic root of 195172 is about 58.0059446939.

The spelling of 195172 in words is "one hundred ninety-five thousand, one hundred seventy-two".