199962361 has 2 divisors, whose sum is σ = 199962362. Its totient is φ = 199962360.

The previous prime is 199962317. The next prime is 199962383. The reversal of 199962361 is 163269991.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 188101225 + 11861136 = 13715^2 + 3444^2 .

It is an emirp because it is prime and its reverse (163269991) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 199962361 - 2⁹ = 199961849 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (199962311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99981180 + 99981181.

It is an arithmetic number, because the mean of its divisors is an integer number (99981181).

Almost surely, 2^199962361 is an apocalyptic number.

It is an amenable number.

199962361 is a deficient number, since it is larger than the sum of its proper divisors (1).

199962361 is an equidigital number, since it uses as much as digits as its factorization.

199962361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 157464, while the sum is 46.

The square root of 199962361 is about 14140.8048215086. The cubic root of 199962361 is about 584.7668596398.

The spelling of 199962361 in words is "one hundred ninety-nine million, nine hundred sixty-two thousand, three hundred sixty-one".