2010191 has 2 divisors, whose sum is σ = 2010192. Its totient is φ = 2010190.

The previous prime is 2010187. The next prime is 2010221. The reversal of 2010191 is 1910102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2010191 - 2² = 2010187 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 (2010161) 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, 1005095 + 1005096.

It is an arithmetic number, because the mean of its divisors is an integer number (1005096).

2^2010191 is an apocalyptic number.

2010191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2010191 is an equidigital number, since it uses as much as digits as its factorization.

2010191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 2010191 is about 1417.8120467819. The cubic root of 2010191 is about 126.2057401304.

Adding to 2010191 its reverse (1910102), we get a palindrome (3920293).

The spelling of 2010191 in words is "two million, ten thousand, one hundred ninety-one".