199610051 has 2 divisors, whose sum is σ = 199610052. Its totient is φ = 199610050.

The previous prime is 199610027. The next prime is 199610069. The reversal of 199610051 is 150016991.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-199610051 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (199610351) 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, 99805025 + 99805026.

It is an arithmetic number, because the mean of its divisors is an integer number (99805026).

Almost surely, 2^199610051 is an apocalyptic number.

199610051 is a deficient number, since it is larger than the sum of its proper divisors (1).

199610051 is an equidigital number, since it uses as much as digits as its factorization.

199610051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430, while the sum is 32.

The square root of 199610051 is about 14128.3421178849. The cubic root of 199610051 is about 584.4232277621.

The spelling of 199610051 in words is "one hundred ninety-nine million, six hundred ten thousand, fifty-one".