10543903 has 4 divisors (see below), whose sum is σ = 10556728. Its totient is φ = 10531080.

The previous prime is 10543889. The next prime is 10543909. The reversal of 10543903 is 30934501.

10543903 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 10543903 - 2²¹ = 8446751 is a prime.

It is a super-2 number, since 2×10543903² = 222347780946818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10543909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5088 + ... + 6853.

It is an arithmetic number, because the mean of its divisors is an integer number (2639182).

Almost surely, 2^10543903 is an apocalyptic number.

10543903 is a deficient number, since it is larger than the sum of its proper divisors (12825).

10543903 is an equidigital number, since it uses as much as digits as its factorization.

10543903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12824.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 10543903 is about 3247.1376626192. The cubic root of 10543903 is about 219.2807294839.

The spelling of 10543903 in words is "ten million, five hundred forty-three thousand, nine hundred three".