2071271 has 2 divisors, whose sum is σ = 2071272. Its totient is φ = 2071270.

The previous prime is 2071261. The next prime is 2071291. The reversal of 2071271 is 1721702.

It is an a-pointer prime, because the next prime (2071291) can be obtained adding 2071271 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2071271 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2071261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1035635 + 1035636.

It is an arithmetic number, because the mean of its divisors is an integer number (1035636).

2^2071271 is an apocalyptic number.

2071271 is a deficient number, since it is larger than the sum of its proper divisors (1).

2071271 is an equidigital number, since it uses as much as digits as its factorization.

2071271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 2071271 is about 1439.1910922459. The cubic root of 2071271 is about 127.4712686766.

Adding to 2071271 its reverse (1721702), we get a palindrome (3792973).

The spelling of 2071271 in words is "two million, seventy-one thousand, two hundred seventy-one".