2971143 has 12 divisors (see below), whose sum is σ = 4904848. Its totient is φ = 1697760.

The previous prime is 2971139. The next prime is 2971159. The reversal of 2971143 is 3411792.

2971143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2971143 - 2² = 2971139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2971103) 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 in 11 ways as a sum of consecutive naturals, for example, 23518 + ... + 23643.

2^2971143 is an apocalyptic number.

2971143 is a deficient number, since it is larger than the sum of its proper divisors (1933705).

2971143 is a wasteful number, since it uses less digits than its factorization.

2971143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47174 (or 47171 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 2971143 is about 1723.7003799965. The cubic root of 2971143 is about 143.7610330536.

The spelling of 2971143 in words is "two million, nine hundred seventy-one thousand, one hundred forty-three".