199770533 has 2 divisors, whose sum is σ = 199770534. Its totient is φ = 199770532.

The previous prime is 199770497. The next prime is 199770563. The reversal of 199770533 is 335077991.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 181090849 + 18679684 = 13457^2 + 4322^2 .

It is a cyclic number.

It is not a de Polignac number, because 199770533 - 2¹⁶ = 199704997 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199770563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99885266 + 99885267.

It is an arithmetic number, because the mean of its divisors is an integer number (99885267).

Almost surely, 2^199770533 is an apocalyptic number.

It is an amenable number.

199770533 is a deficient number, since it is larger than the sum of its proper divisors (1).

199770533 is an equidigital number, since it uses as much as digits as its factorization.

199770533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 178605, while the sum is 44.

The square root of 199770533 is about 14134.0204117583. The cubic root of 199770533 is about 584.5798068594.

The spelling of 199770533 in words is "one hundred ninety-nine million, seven hundred seventy thousand, five hundred thirty-three".