2133191 has 2 divisors, whose sum is σ = 2133192. Its totient is φ = 2133190.

The previous prime is 2133167. The next prime is 2133217. The reversal of 2133191 is 1913312.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2133191 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 (2133121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066595 + 1066596.

It is an arithmetic number, because the mean of its divisors is an integer number (1066596).

2^2133191 is an apocalyptic number.

2133191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2133191 is an equidigital number, since it uses as much as digits as its factorization.

2133191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162, while the sum is 20.

The square root of 2133191 is about 1460.5447613819. The cubic root of 2133191 is about 128.7290549395.

The spelling of 2133191 in words is "two million, one hundred thirty-three thousand, one hundred ninety-one".