2681143 has 4 divisors (see below), whose sum is σ = 2684448. Its totient is φ = 2677840.

The previous prime is 2681141. The next prime is 2681167. The reversal of 2681143 is 3411862.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3411862 = 2 ⋅1705931.

It is a cyclic number.

It is not a de Polignac number, because 2681143 - 2¹ = 2681141 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 (2681141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498 + ... + 2368.

It is an arithmetic number, because the mean of its divisors is an integer number (671112).

2^2681143 is an apocalyptic number.

2681143 is a deficient number, since it is larger than the sum of its proper divisors (3305).

2681143 is a wasteful number, since it uses less digits than its factorization.

2681143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3304.

The product of its digits is 1152, while the sum is 25.

The square root of 2681143 is about 1637.4196163476. The cubic root of 2681143 is about 138.9227353837.

It can be divided in two parts, 2681 and 143, that multiplied together give a palindrome (383383).

The spelling of 2681143 in words is "two million, six hundred eighty-one thousand, one hundred forty-three".