199997341 has 2 divisors, whose sum is σ = 199997342. Its totient is φ = 199997340.

The previous prime is 199997339. The next prime is 199997377. The reversal of 199997341 is 143799991.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 185776900 + 14220441 = 13630^2 + 3771^2 .

It is a cyclic number.

It is not a de Polignac number, because 199997341 - 2¹ = 199997339 is a prime.

Together with 199997339, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199997041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99998670 + 99998671.

It is an arithmetic number, because the mean of its divisors is an integer number (99998671).

Almost surely, 2^199997341 is an apocalyptic number.

It is an amenable number.

199997341 is a deficient number, since it is larger than the sum of its proper divisors (1).

199997341 is an equidigital number, since it uses as much as digits as its factorization.

199997341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 551124, while the sum is 52.

The square root of 199997341 is about 14142.0416135719. The cubic root of 199997341 is about 584.8009559767.

The spelling of 199997341 in words is "one hundred ninety-nine million, nine hundred ninety-seven thousand, three hundred forty-one".