539747 has 4 divisors (see below), whose sum is σ = 581280. Its totient is φ = 498216.

The previous prime is 539743. The next prime is 539761. The reversal of 539747 is 747935.

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 539747 - 2² = 539743 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (539743) 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, 20747 + ... + 20772.

It is an arithmetic number, because the mean of its divisors is an integer number (145320).

2⁵³⁹⁷⁴⁷ is an apocalyptic number.

539747 is a deficient number, since it is larger than the sum of its proper divisors (41533).

539747 is a wasteful number, since it uses less digits than its factorization.

539747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41532.

The product of its digits is 26460, while the sum is 35.

The square root of 539747 is about 734.6747579712. The cubic root of 539747 is about 81.4198089620.

The spelling of 539747 in words is "five hundred thirty-nine thousand, seven hundred forty-seven".