539533 has 2 divisors, whose sum is σ = 539534. Its totient is φ = 539532.

The previous prime is 539509. The next prime is 539573. The reversal of 539533 is 335935.

539533 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., 381924 + 157609 = 618^2 + 397^2 .

It is a cyclic number.

It is not a de Polignac number, because 539533 - 2⁵ = 539501 is a prime.

539533 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (539503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269766 + 269767.

It is an arithmetic number, because the mean of its divisors is an integer number (269767).

2⁵³⁹⁵³³ is an apocalyptic number.

It is an amenable number.

539533 is a deficient number, since it is larger than the sum of its proper divisors (1).

539533 is an equidigital number, since it uses as much as digits as its factorization.

539533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6075, while the sum is 28.

The square root of 539533 is about 734.5291008531. The cubic root of 539533 is about 81.4090470418.

It can be divided in two parts, 53953 and 3, that added together give a triangular number (53956 = T₃₂₈).

The spelling of 539533 in words is "five hundred thirty-nine thousand, five hundred thirty-three".