199814201 has 2 divisors, whose sum is σ = 199814202. Its totient is φ = 199814200.

The previous prime is 199814183. The next prime is 199814207. The reversal of 199814201 is 102418991.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161671225 + 38142976 = 12715^2 + 6176^2 .

It is a cyclic number.

It is not a de Polignac number, because 199814201 - 2⁶ = 199814137 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (199814207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99907100 + 99907101.

It is an arithmetic number, because the mean of its divisors is an integer number (99907101).

Almost surely, 2^199814201 is an apocalyptic number.

It is an amenable number.

199814201 is a deficient number, since it is larger than the sum of its proper divisors (1).

199814201 is an equidigital number, since it uses as much as digits as its factorization.

199814201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 35.

The square root of 199814201 is about 14135.5651107411. The cubic root of 199814201 is about 584.6223983448.

The spelling of 199814201 in words is "one hundred ninety-nine million, eight hundred fourteen thousand, two hundred one".