4105543 has 4 divisors (see below), whose sum is σ = 4421368. Its totient is φ = 3789720.

The previous prime is 4105531. The next prime is 4105553. The reversal of 4105543 is 3455014.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4105543 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 (4105553) 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, 157893 + ... + 157918.

It is an arithmetic number, because the mean of its divisors is an integer number (1105342).

Almost surely, 2^4105543 is an apocalyptic number.

4105543 is a deficient number, since it is larger than the sum of its proper divisors (315825).

4105543 is a wasteful number, since it uses less digits than its factorization.

4105543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315824.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 4105543 is about 2026.2139571131. The cubic root of 4105543 is about 160.1241614372.

The spelling of 4105543 in words is "four million, one hundred five thousand, five hundred forty-three".