539243285 has 12 divisors (see below), whose sum is σ = 752739948. Its totient is φ = 369766656.

The previous prime is 539243279. The next prime is 539243293. The reversal of 539243285 is 582342935.

It can be written as a sum of positive squares in 2 ways, for example, as 145974724 + 393268561 = 12082^2 + 19831^2 .

It is not a de Polignac number, because 539243285 - 2¹² = 539239189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1100252 + ... + 1100741.

It is an arithmetic number, because the mean of its divisors is an integer number (62728329).

Almost surely, 2^539243285 is an apocalyptic number.

It is an amenable number.

539243285 is a deficient number, since it is larger than the sum of its proper divisors (213496663).

539243285 is a wasteful number, since it uses less digits than its factorization.

539243285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2201012 (or 2201005 counting only the distinct ones).

The product of its digits is 259200, while the sum is 41.

The square root of 539243285 is about 23221.6124547801. The cubic root of 539243285 is about 813.9447292871.

The spelling of 539243285 in words is "five hundred thirty-nine million, two hundred forty-three thousand, two hundred eighty-five".