539501 has 2 divisors, whose sum is σ = 539502. Its totient is φ = 539500.

The previous prime is 539479. The next prime is 539503. The reversal of 539501 is 105935.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 448900 + 90601 = 670^2 + 301^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-539501 is a prime.

It is a super-2 number, since 2×539501² = 582122658002, which contains 22 as substring.

Together with 539503, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 539501.

It is not a weakly prime, because it can be changed into another prime (539503) 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, 269750 + 269751.

It is an arithmetic number, because the mean of its divisors is an integer number (269751).

2⁵³⁹⁵⁰¹ is an apocalyptic number.

It is an amenable number.

539501 is a deficient number, since it is larger than the sum of its proper divisors (1).

539501 is an equidigital number, since it uses as much as digits as its factorization.

539501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 675, while the sum is 23.

The square root of 539501 is about 734.5073178669. The cubic root of 539501 is about 81.4074375382.

The spelling of 539501 in words is "five hundred thirty-nine thousand, five hundred one".