539502004 has 24 divisors (see below), whose sum is σ = 1009576008. Its totient is φ = 251366400.

The previous prime is 539501957. The next prime is 539502059. The reversal of 539502004 is 400205935.

It can be written as a sum of positive squares in 4 ways, for example, as 174768400 + 364733604 = 13220^2 + 19098^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32409 + ... + 46144.

It is an arithmetic number, because the mean of its divisors is an integer number (42065667).

Almost surely, 2^539502004 is an apocalyptic number.

It is an amenable number.

539502004 is a deficient number, since it is larger than the sum of its proper divisors (470074004).

539502004 is a wasteful number, since it uses less digits than its factorization.

539502004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78675 (or 78673 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 539502004 is about 23227.1824378249. The cubic root of 539502004 is about 814.0748803731.

Adding to 539502004 its reverse (400205935), we get a palindrome (939707939).

The spelling of 539502004 in words is "five hundred thirty-nine million, five hundred two thousand, four".