549103 has 4 divisors (see below), whose sum is σ = 566848. Its totient is φ = 531360.

The previous prime is 549097. The next prime is 549121. The reversal of 549103 is 301945.

549103 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 549103 - 2⁵ = 549071 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 (549163) 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, 8826 + ... + 8887.

It is an arithmetic number, because the mean of its divisors is an integer number (141712).

2⁵⁴⁹¹⁰³ is an apocalyptic number.

549103 is a deficient number, since it is larger than the sum of its proper divisors (17745).

549103 is a wasteful number, since it uses less digits than its factorization.

549103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17744.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 549103 is about 741.0148446556. The cubic root of 549103 is about 81.8875615402.

Subtracting from 549103 its sum of digits (22), we obtain a square (549081 = 741²).

The spelling of 549103 in words is "five hundred forty-nine thousand, one hundred three".