539109 has 16 divisors (see below), whose sum is σ = 819840. Its totient is φ = 349920.

The previous prime is 539107. The next prime is 539111. The reversal of 539109 is 901935.

539109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (539107) and next prime (539111).

It is not a de Polignac number, because 539109 - 2¹ = 539107 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 864 + ... + 1350.

It is an arithmetic number, because the mean of its divisors is an integer number (51240).

2⁵³⁹¹⁰⁹ is an apocalyptic number.

It is an amenable number.

539109 is a deficient number, since it is larger than the sum of its proper divisors (280731).

539109 is a wasteful number, since it uses less digits than its factorization.

539109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537 (or 531 counting only the distinct ones).

The product of its (nonzero) digits is 1215, while the sum is 27.

The square root of 539109 is about 734.2404238395. The cubic root of 539109 is about 81.3877159512.

The spelling of 539109 in words is "five hundred thirty-nine thousand, one hundred nine".