2697143 has 4 divisors (see below), whose sum is σ = 2703600. Its totient is φ = 2690688.

The previous prime is 2697137. The next prime is 2697151. The reversal of 2697143 is 3417962.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3417962 = 2 ⋅1708981.

It is a cyclic number.

It is not a de Polignac number, because 2697143 - 2²⁰ = 1648567 is a prime.

It is a Duffinian number.

It is a plaindrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2697113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2555 + ... + 3452.

It is an arithmetic number, because the mean of its divisors is an integer number (675900).

2^2697143 is an apocalyptic number.

2697143 is a deficient number, since it is larger than the sum of its proper divisors (6457).

2697143 is an equidigital number, since it uses as much as digits as its factorization.

2697143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6456.

The product of its digits is 9072, while the sum is 32.

The square root of 2697143 is about 1642.2980850016. The cubic root of 2697143 is about 139.1985327883.

The spelling of 2697143 in words is "two million, six hundred ninety-seven thousand, one hundred forty-three".