199193 has 2 divisors, whose sum is σ = 199194. Its totient is φ = 199192.

The previous prime is 199181. The next prime is 199207. The reversal of 199193 is 391991.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104329 + 94864 = 323^2 + 308^2 .

It is a cyclic number.

It is not a de Polignac number, because 199193 - 2⁸ = 198937 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (199103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99596 + 99597.

It is an arithmetic number, because the mean of its divisors is an integer number (99597).

2¹⁹⁹¹⁹³ is an apocalyptic number.

It is an amenable number.

199193 is a deficient number, since it is larger than the sum of its proper divisors (1).

199193 is an equidigital number, since it uses as much as digits as its factorization.

199193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2187, while the sum is 32.

The square root of 199193 is about 446.3104300820. The cubic root of 199193 is about 58.4015926569.

The spelling of 199193 in words is "one hundred ninety-nine thousand, one hundred ninety-three".