2040971 has 2 divisors, whose sum is σ = 2040972. Its totient is φ = 2040970.

The previous prime is 2040967. The next prime is 2040989. The reversal of 2040971 is 1790402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2040971 - 2² = 2040967 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2043971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020485 + 1020486.

It is an arithmetic number, because the mean of its divisors is an integer number (1020486).

2^2040971 is an apocalyptic number.

2040971 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040971 is an equidigital number, since it uses as much as digits as its factorization.

2040971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 2040971 is about 1428.6255632600. The cubic root of 2040971 is about 126.8466332272.

The spelling of 2040971 in words is "two million, forty thousand, nine hundred seventy-one".