2957143 has 8 divisors (see below), whose sum is σ = 3391488. Its totient is φ = 2525784.

The previous prime is 2957111. The next prime is 2957161. The reversal of 2957143 is 3417592.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2957143 - 2⁵ = 2957111 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 (2957243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2130 + ... + 3232.

It is an arithmetic number, because the mean of its divisors is an integer number (423936).

2^2957143 is an apocalyptic number.

2957143 is a deficient number, since it is larger than the sum of its proper divisors (434345).

2957143 is a wasteful number, since it uses less digits than its factorization.

2957143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493.

The product of its digits is 7560, while the sum is 31.

The square root of 2957143 is about 1719.6345542004. The cubic root of 2957143 is about 143.5348772198.

The spelling of 2957143 in words is "two million, nine hundred fifty-seven thousand, one hundred forty-three".