539263 has 4 divisors (see below), whose sum is σ = 551848. Its totient is φ = 526680.

The previous prime is 539261. The next prime is 539267. The reversal of 539263 is 362935.

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 539263 - 2¹ = 539261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539261) 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, 6228 + ... + 6313.

It is an arithmetic number, because the mean of its divisors is an integer number (137962).

2⁵³⁹²⁶³ is an apocalyptic number.

539263 is a deficient number, since it is larger than the sum of its proper divisors (12585).

539263 is a wasteful number, since it uses less digits than its factorization.

539263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12584.

The product of its digits is 4860, while the sum is 28.

The square root of 539263 is about 734.3452866329. The cubic root of 539263 is about 81.3954648573.

It can be divided in two parts, 53 and 9263, that added together give a triangular number (9316 = T₁₃₆).

The spelling of 539263 in words is "five hundred thirty-nine thousand, two hundred sixty-three".