195955205 has 4 divisors (see below), whose sum is σ = 235146252. Its totient is φ = 156764160.

The previous prime is 195955187. The next prime is 195955213. The reversal of 195955205 is 502559591.

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 35628961 + 160326244 = 5969^2 + 12662^2 .

It is not a de Polignac number, because 195955205 - 2¹² = 195951109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19595516 + ... + 19595525.

It is an arithmetic number, because the mean of its divisors is an integer number (58786563).

Almost surely, 2^195955205 is an apocalyptic number.

It is an amenable number.

195955205 is a deficient number, since it is larger than the sum of its proper divisors (39191047).

195955205 is an equidigital number, since it uses as much as digits as its factorization.

195955205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39191046.

The product of its (nonzero) digits is 101250, while the sum is 41.

The square root of 195955205 is about 13998.4000871528. The cubic root of 195955205 is about 580.8343175090.

The spelling of 195955205 in words is "one hundred ninety-five million, nine hundred fifty-five thousand, two hundred five".