199006271 has 2 divisors, whose sum is σ = 199006272. Its totient is φ = 199006270.

The previous prime is 199006253. The next prime is 199006273. The reversal of 199006271 is 172600991.

It is a strong prime.

It is an emirp because it is prime and its reverse (172600991) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 199006271 - 2¹⁴ = 198989887 is a prime.

Together with 199006273, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_11026889 and since 199006271 and 11026889 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199006273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99503135 + 99503136.

It is an arithmetic number, because the mean of its divisors is an integer number (99503136).

Almost surely, 2^199006271 is an apocalyptic number.

199006271 is a deficient number, since it is larger than the sum of its proper divisors (1).

199006271 is an equidigital number, since it uses as much as digits as its factorization.

199006271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 35.

The square root of 199006271 is about 14106.9582476167. The cubic root of 199006271 is about 583.8333786479.

The spelling of 199006271 in words is "one hundred ninety-nine million, six thousand, two hundred seventy-one".