548109 has 6 divisors (see below), whose sum is σ = 791726. Its totient is φ = 365400.

The previous prime is 548099. The next prime is 548117. The reversal of 548109 is 901845.

It can be written as a sum of positive squares in only one way, i.e., 275625 + 272484 = 525^2 + 522^2 .

It is not a de Polignac number, because 548109 - 2⁸ = 547853 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (548189) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30442 + ... + 30459.

2⁵⁴⁸¹⁰⁹ is an apocalyptic number.

It is an amenable number.

548109 is a deficient number, since it is larger than the sum of its proper divisors (243617).

548109 is a wasteful number, since it uses less digits than its factorization.

548109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60907 (or 60904 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 548109 is about 740.3438390370. The cubic root of 548109 is about 81.8381200567.

The spelling of 548109 in words is "five hundred forty-eight thousand, one hundred nine".