2688143 has 2 divisors, whose sum is σ = 2688144. Its totient is φ = 2688142.

The previous prime is 2688137. The next prime is 2688167. The reversal of 2688143 is 3418862.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2688143 is a prime.

It is a super-2 number, since 2×2688143² = 14452225576898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2688173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1344071 + 1344072.

It is an arithmetic number, because the mean of its divisors is an integer number (1344072).

2^2688143 is an apocalyptic number.

2688143 is a deficient number, since it is larger than the sum of its proper divisors (1).

2688143 is an equidigital number, since it uses as much as digits as its factorization.

2688143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 32.

The square root of 2688143 is about 1639.5557325080. Note that the first 3 decimals coincide. The cubic root of 2688143 is about 139.0435313857.

The spelling of 2688143 in words is "two million, six hundred eighty-eight thousand, one hundred forty-three".