199874201 has 2 divisors, whose sum is σ = 199874202. Its totient is φ = 199874200.

The previous prime is 199874197. The next prime is 199874237. The reversal of 199874201 is 102478991.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 188348176 + 11526025 = 13724^2 + 3395^2 .

It is an emirp because it is prime and its reverse (102478991) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 199874201 - 2² = 199874197 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (199874261) 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, 99937100 + 99937101.

It is an arithmetic number, because the mean of its divisors is an integer number (99937101).

Almost surely, 2^199874201 is an apocalyptic number.

It is an amenable number.

199874201 is a deficient number, since it is larger than the sum of its proper divisors (1).

199874201 is an equidigital number, since it uses as much as digits as its factorization.

199874201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 199874201 is about 14137.6872578226. The cubic root of 199874201 is about 584.6809090901.

The spelling of 199874201 in words is "one hundred ninety-nine million, eight hundred seventy-four thousand, two hundred one".