2143711 has 2 divisors, whose sum is σ = 2143712. Its totient is φ = 2143710.

The previous prime is 2143667. The next prime is 2143733. The reversal of 2143711 is 1173412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2143711 - 2⁹ = 2143199 is a prime.

It is a plaindrome in base 11.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2143741) 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, 1071855 + 1071856.

It is an arithmetic number, because the mean of its divisors is an integer number (1071856).

2^2143711 is an apocalyptic number.

2143711 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143711 is an equidigital number, since it uses as much as digits as its factorization.

2143711 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2143711 is about 1464.1417281124. The cubic root of 2143711 is about 128.9403205308.

Subtracting from 2143711 its reverse (1173412), we obtain a cube (970299 = 99³).

The spelling of 2143711 in words is "two million, one hundred forty-three thousand, seven hundred eleven".