539403 has 4 divisors (see below), whose sum is σ = 719208. Its totient is φ = 359600.

The previous prime is 539401. The next prime is 539447. The reversal of 539403 is 304935.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 539403 - 2¹ = 539401 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (539401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89898 + ... + 89903.

It is an arithmetic number, because the mean of its divisors is an integer number (179802).

2⁵³⁹⁴⁰³ is an apocalyptic number.

539403 is a deficient number, since it is larger than the sum of its proper divisors (179805).

539403 is a wasteful number, since it uses less digits than its factorization.

539403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179804.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 539403 is about 734.4406034527. The cubic root of 539403 is about 81.4025080373.

The spelling of 539403 in words is "five hundred thirty-nine thousand, four hundred three".