195172652 has 12 divisors (see below), whose sum is σ = 352570176. Its totient is φ = 94438320.

The previous prime is 195172651. The next prime is 195172661. The reversal of 195172652 is 256271591.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (195172651) 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, 786863 + ... + 787110.

It is an arithmetic number, because the mean of its divisors is an integer number (29380848).

Almost surely, 2^195172652 is an apocalyptic number.

It is an amenable number.

195172652 is a deficient number, since it is larger than the sum of its proper divisors (157397524).

195172652 is a wasteful number, since it uses less digits than its factorization.

195172652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574008 (or 1574006 counting only the distinct ones).

The product of its digits is 37800, while the sum is 38.

The square root of 195172652 is about 13970.4206092730. The cubic root of 195172652 is about 580.0600928620.

The spelling of 195172652 in words is "one hundred ninety-five million, one hundred seventy-two thousand, six hundred fifty-two".