195955201 has 4 divisors (see below), whose sum is σ = 211028692. Its totient is φ = 180881712.

The previous prime is 195955187. The next prime is 195955213. The reversal of 195955201 is 102559591.

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 68807025 + 127148176 = 8295^2 + 11276^2 .

It is a cyclic number.

It is not a de Polignac number, because 195955201 - 2¹³ = 195947009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195955231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7536726 + ... + 7536751.

It is an arithmetic number, because the mean of its divisors is an integer number (52757173).

Almost surely, 2^195955201 is an apocalyptic number.

It is an amenable number.

195955201 is a deficient number, since it is larger than the sum of its proper divisors (15073491).

195955201 is a wasteful number, since it uses less digits than its factorization.

195955201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15073490.

The product of its (nonzero) digits is 20250, while the sum is 37.

The square root of 195955201 is about 13998.3999442793. The cubic root of 195955201 is about 580.8343135569.

The spelling of 195955201 in words is "one hundred ninety-five million, nine hundred fifty-five thousand, two hundred one".