539633 has 2 divisors, whose sum is σ = 539634. Its totient is φ = 539632.

The previous prime is 539629. The next prime is 539639. The reversal of 539633 is 336935.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 485809 + 53824 = 697^2 + 232^2 .

It is a cyclic number.

It is not a de Polignac number, because 539633 - 2² = 539629 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 539596 and 539605.

It is not a weakly prime, because it can be changed into another prime (539639) 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 as a sum of consecutive naturals, namely, 269816 + 269817.

It is an arithmetic number, because the mean of its divisors is an integer number (269817).

2⁵³⁹⁶³³ is an apocalyptic number.

It is an amenable number.

539633 is a deficient number, since it is larger than the sum of its proper divisors (1).

539633 is an equidigital number, since it uses as much as digits as its factorization.

539633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7290, while the sum is 29.

The square root of 539633 is about 734.5971685216. The cubic root of 539633 is about 81.4140763306.

The spelling of 539633 in words is "five hundred thirty-nine thousand, six hundred thirty-three".