2685543 has 12 divisors (see below), whose sum is σ = 4165560. Its totient is φ = 1534512.

The previous prime is 2685539. The next prime is 2685547. The reversal of 2685543 is 3455862.

It is an interprime number because it is at equal distance from previous prime (2685539) and next prime (2685547).

It is not a de Polignac number, because 2685543 - 2² = 2685539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2685547) 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 11 ways as a sum of consecutive naturals, for example, 8988 + ... + 9281.

It is an arithmetic number, because the mean of its divisors is an integer number (347130).

2^2685543 is an apocalyptic number.

2685543 is a deficient number, since it is larger than the sum of its proper divisors (1480017).

2685543 is a wasteful number, since it uses less digits than its factorization.

2685543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18286 (or 18279 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 2685543 is about 1638.7626429718. The cubic root of 2685543 is about 138.9986888064.

The spelling of 2685543 in words is "two million, six hundred eighty-five thousand, five hundred forty-three".