539405305 has 16 divisors (see below), whose sum is σ = 656146944. Its totient is φ = 425658240.

The previous prime is 539405299. The next prime is 539405309. The reversal of 539405305 is 503504935.

It is a happy number.

539405305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 539405305 - 2⁹ = 539404793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (539405309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109240 + ... + 114070.

It is an arithmetic number, because the mean of its divisors is an integer number (41009184).

Almost surely, 2^539405305 is an apocalyptic number.

It is an amenable number.

539405305 is a deficient number, since it is larger than the sum of its proper divisors (116741639).

539405305 is a wasteful number, since it uses less digits than its factorization.

539405305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5136.

The product of its (nonzero) digits is 40500, while the sum is 34.

The square root of 539405305 is about 23225.1007532798. The cubic root of 539405305 is about 814.0262398800.

The spelling of 539405305 in words is "five hundred thirty-nine million, four hundred five thousand, three hundred five".