539603 has 8 divisors (see below), whose sum is σ = 583200. Its totient is φ = 497728.

The previous prime is 539573. The next prime is 539621. The reversal of 539603 is 306935.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 539603 - 2⁸ = 539347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (539633) 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 in 7 ways as a sum of consecutive naturals, for example, 263 + ... + 1071.

It is an arithmetic number, because the mean of its divisors is an integer number (72900).

2⁵³⁹⁶⁰³ is an apocalyptic number.

539603 is a deficient number, since it is larger than the sum of its proper divisors (43597).

539603 is a wasteful number, since it uses less digits than its factorization.

539603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861.

The product of its (nonzero) digits is 2430, while the sum is 26.

The square root of 539603 is about 734.5767488833. The cubic root of 539603 is about 81.4125676092.

The spelling of 539603 in words is "five hundred thirty-nine thousand, six hundred three".