2162071 has 2 divisors, whose sum is σ = 2162072. Its totient is φ = 2162070.

The previous prime is 2162063. The next prime is 2162087. The reversal of 2162071 is 1702612.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2162071 - 2³ = 2162063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2162971) 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, 1081035 + 1081036.

It is an arithmetic number, because the mean of its divisors is an integer number (1081036).

2^2162071 is an apocalyptic number.

2162071 is a deficient number, since it is larger than the sum of its proper divisors (1).

2162071 is an equidigital number, since it uses as much as digits as its factorization.

2162071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 2162071 is about 1470.3982453744. The cubic root of 2162071 is about 129.3073814853.

Adding to 2162071 its reverse (1702612), we get a palindrome (3864683).

The spelling of 2162071 in words is "two million, one hundred sixty-two thousand, seventy-one".