539069 has 4 divisors (see below), whose sum is σ = 540540. Its totient is φ = 537600.

The previous prime is 539047. The next prime is 539089. The reversal of 539069 is 960935.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 960935 = 5 ⋅192187.

It can be written as a sum of positive squares in 2 ways, for example, as 348100 + 190969 = 590^2 + 437^2 .

It is a cyclic number.

It is not a de Polignac number, because 539069 - 2¹⁶ = 473533 is a prime.

It is a super-2 number, since 2×539069² = 581190773522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317 + ... + 1085.

It is an arithmetic number, because the mean of its divisors is an integer number (135135).

2⁵³⁹⁰⁶⁹ is an apocalyptic number.

It is an amenable number.

539069 is a deficient number, since it is larger than the sum of its proper divisors (1471).

539069 is an equidigital number, since it uses as much as digits as its factorization.

539069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1470.

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 539069 is about 734.2131843000. The cubic root of 539069 is about 81.3857030069.

The spelling of 539069 in words is "five hundred thirty-nine thousand, sixty-nine".