544109 has 2 divisors, whose sum is σ = 544110. Its totient is φ = 544108.

The previous prime is 544099. The next prime is 544123. The reversal of 544109 is 901445.

It is a happy number.

544109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 366025 + 178084 = 605^2 + 422^2 .

It is a cyclic number.

It is not a de Polignac number, because 544109 - 2⁸ = 543853 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 544109.

It is not a weakly prime, because it can be changed into another prime (544129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272054 + 272055.

It is an arithmetic number, because the mean of its divisors is an integer number (272055).

2⁵⁴⁴¹⁰⁹ is an apocalyptic number.

It is an amenable number.

544109 is a deficient number, since it is larger than the sum of its proper divisors (1).

544109 is an equidigital number, since it uses as much as digits as its factorization.

544109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 544109 is about 737.6374448196. The cubic root of 544109 is about 81.6385538851.

The spelling of 544109 in words is "five hundred forty-four thousand, one hundred nine".