199803061 has 2 divisors, whose sum is σ = 199803062. Its totient is φ = 199803060.

The previous prime is 199803041. The next prime is 199803077. The reversal of 199803061 is 160308991.

199803061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193376836 + 6426225 = 13906^2 + 2535^2 .

It is a cyclic number.

It is not a de Polignac number, because 199803061 - 2¹³ = 199794869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 199803061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199803041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99901530 + 99901531.

It is an arithmetic number, because the mean of its divisors is an integer number (99901531).

Almost surely, 2^199803061 is an apocalyptic number.

It is an amenable number.

199803061 is a deficient number, since it is larger than the sum of its proper divisors (1).

199803061 is an equidigital number, since it uses as much as digits as its factorization.

199803061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 199803061 is about 14135.1710636978. The cubic root of 199803061 is about 584.6115335606.

The spelling of 199803061 in words is "one hundred ninety-nine million, eight hundred three thousand, sixty-one".