539447 has 2 divisors, whose sum is σ = 539448. Its totient is φ = 539446.

The previous prime is 539401. The next prime is 539449. The reversal of 539447 is 744935.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 539447 - 2¹⁰ = 538423 is a prime.

Together with 539449, 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 539447.

It is not a weakly prime, because it can be changed into another prime (539449) 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, 269723 + 269724.

It is an arithmetic number, because the mean of its divisors is an integer number (269724).

2⁵³⁹⁴⁴⁷ is an apocalyptic number.

539447 is a deficient number, since it is larger than the sum of its proper divisors (1).

539447 is an equidigital number, since it uses as much as digits as its factorization.

539447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 32.

The square root of 539447 is about 734.4705576128. The cubic root of 539447 is about 81.4047213564.

The spelling of 539447 in words is "five hundred thirty-nine thousand, four hundred forty-seven".