2646071 has 2 divisors, whose sum is σ = 2646072. Its totient is φ = 2646070.

The previous prime is 2646041. The next prime is 2646079. The reversal of 2646071 is 1706462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2646071 - 2¹⁴ = 2629687 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2646071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2646079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1323035 + 1323036.

It is an arithmetic number, because the mean of its divisors is an integer number (1323036).

2^2646071 is an apocalyptic number.

2646071 is a deficient number, since it is larger than the sum of its proper divisors (1).

2646071 is an equidigital number, since it uses as much as digits as its factorization.

2646071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 2646071 is about 1626.6748292145. The cubic root of 2646071 is about 138.3143258670.

The spelling of 2646071 in words is "two million, six hundred forty-six thousand, seventy-one".