539005439 has 6 divisors (see below), whose sum is σ = 627006384. Its totient is φ = 462004620.

The previous prime is 539005427. The next prime is 539005457. The reversal of 539005439 is 934500935.

It is not a de Polignac number, because 539005439 - 2⁸ = 539005183 is a prime.

It is a Duffinian number.

539005439 is a modest number, since divided by 5439 gives 539 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539005459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5500007 + ... + 5500104.

It is an arithmetic number, because the mean of its divisors is an integer number (104501064).

Almost surely, 2^539005439 is an apocalyptic number.

539005439 is a deficient number, since it is larger than the sum of its proper divisors (88000945).

539005439 is a wasteful number, since it uses less digits than its factorization.

539005439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11000125 (or 11000118 counting only the distinct ones).

The product of its (nonzero) digits is 72900, while the sum is 38.

The square root of 539005439 is about 23216.4906693497. The cubic root of 539005439 is about 813.8250418329.

The spelling of 539005439 in words is "five hundred thirty-nine million, five thousand, four hundred thirty-nine".