199275983 has 2 divisors, whose sum is σ = 199275984. Its totient is φ = 199275982.

The previous prime is 199275961. The next prime is 199275997. The reversal of 199275983 is 389572991.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-199275983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199275943) 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, 99637991 + 99637992.

It is an arithmetic number, because the mean of its divisors is an integer number (99637992).

Almost surely, 2^199275983 is an apocalyptic number.

199275983 is a deficient number, since it is larger than the sum of its proper divisors (1).

199275983 is an equidigital number, since it uses as much as digits as its factorization.

199275983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1224720, while the sum is 53.

The square root of 199275983 is about 14116.5145485704. The cubic root of 199275983 is about 584.0970148690.

The spelling of 199275983 in words is "one hundred ninety-nine million, two hundred seventy-five thousand, nine hundred eighty-three".