10403543 has 4 divisors (see below), whose sum is σ = 10417008. Its totient is φ = 10390080.

The previous prime is 10403539. The next prime is 10403557. The reversal of 10403543 is 34530401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34530401 = 53 ⋅651517.

It is a cyclic number.

It is not a de Polignac number, because 10403543 - 2² = 10403539 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 (10403513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5498 + ... + 7143.

It is an arithmetic number, because the mean of its divisors is an integer number (2604252).

Almost surely, 2^10403543 is an apocalyptic number.

10403543 is a deficient number, since it is larger than the sum of its proper divisors (13465).

10403543 is an equidigital number, since it uses as much as digits as its factorization.

10403543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13464.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 10403543 is about 3225.4523713737. The cubic root of 10403543 is about 218.3033610094.

Adding to 10403543 its reverse (34530401), we get a palindrome (44933944).

The spelling of 10403543 in words is "ten million, four hundred three thousand, five hundred forty-three".