2144971 has 2 divisors, whose sum is σ = 2144972. Its totient is φ = 2144970.

The previous prime is 2144953. The next prime is 2144977. The reversal of 2144971 is 1794412.

2144971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2144971 - 2⁷ = 2144843 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2144977) 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, 1072485 + 1072486.

It is an arithmetic number, because the mean of its divisors is an integer number (1072486).

2^2144971 is an apocalyptic number.

2144971 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144971 is an equidigital number, since it uses as much as digits as its factorization.

2144971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 28.

The square root of 2144971 is about 1464.5719511175. The cubic root of 2144971 is about 128.9655778196.

The spelling of 2144971 in words is "two million, one hundred forty-four thousand, nine hundred seventy-one".