195906201 has 4 divisors (see below), whose sum is σ = 261208272. Its totient is φ = 130604132.

The previous prime is 195906173. The next prime is 195906209. The reversal of 195906201 is 102609591.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 195906201 - 2¹³ = 195898009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (195906209) 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, 32651031 + ... + 32651036.

It is an arithmetic number, because the mean of its divisors is an integer number (65302068).

Almost surely, 2^195906201 is an apocalyptic number.

It is an amenable number.

195906201 is a deficient number, since it is larger than the sum of its proper divisors (65302071).

195906201 is an equidigital number, since it uses as much as digits as its factorization.

195906201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65302070.

The product of its (nonzero) digits is 4860, while the sum is 33.

The square root of 195906201 is about 13996.6496348233. The cubic root of 195906201 is about 580.7858955956.

The spelling of 195906201 in words is "one hundred ninety-five million, nine hundred six thousand, two hundred one".