539459 has 4 divisors (see below), whose sum is σ = 543480. Its totient is φ = 535440.

The previous prime is 539449. The next prime is 539479. The reversal of 539459 is 954935.

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 539459 - 2¹⁶ = 473923 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 539459.

It is not an unprimeable number, because it can be changed into a prime (539449) 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, 1802 + ... + 2079.

It is an arithmetic number, because the mean of its divisors is an integer number (135870).

2⁵³⁹⁴⁵⁹ is an apocalyptic number.

539459 is a deficient number, since it is larger than the sum of its proper divisors (4021).

539459 is a wasteful number, since it uses less digits than its factorization.

539459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4020.

The product of its digits is 24300, while the sum is 35.

The square root of 539459 is about 734.4787267171. The cubic root of 539459 is about 81.4053249680.

The spelling of 539459 in words is "five hundred thirty-nine thousand, four hundred fifty-nine".