1083543 has 16 divisors (see below), whose sum is σ = 1523712. Its totient is φ = 684000.

The previous prime is 1083541. The next prime is 1083559. The reversal of 1083543 is 3453801.

It is not a de Polignac number, because 1083543 - 2¹ = 1083541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1083541) 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, 5578 + ... + 5768.

It is an arithmetic number, because the mean of its divisors is an integer number (95232).

2^1083543 is an apocalyptic number.

1083543 is a deficient number, since it is larger than the sum of its proper divisors (440169).

1083543 is a wasteful number, since it uses less digits than its factorization.

1083543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1083543 is about 1040.9337154690. The cubic root of 1083543 is about 102.7106277600.

It can be divided in two parts, 10835 and 43, that added together give a triangular number (10878 = T₁₄₇).

The spelling of 1083543 in words is "one million, eighty-three thousand, five hundred forty-three".