2057143 has 16 divisors (see below), whose sum is σ = 2405376. Its totient is φ = 1740640.

The previous prime is 2057141. The next prime is 2057147. The reversal of 2057143 is 3417502.

2057143 is nontrivially palindromic in base 8.

It is not a de Polignac number, because 2057143 - 2¹ = 2057141 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 (2057141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11805 + ... + 11977.

It is an arithmetic number, because the mean of its divisors is an integer number (150336).

2^2057143 is an apocalyptic number.

2057143 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2057143 is a deficient number, since it is larger than the sum of its proper divisors (348233).

2057143 is a wasteful number, since it uses less digits than its factorization.

2057143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 2057143 is about 1434.2743810025. The cubic root of 2057143 is about 127.1807828978.

The spelling of 2057143 in words is "two million, fifty-seven thousand, one hundred forty-three".