539013 has 4 divisors (see below), whose sum is σ = 718688. Its totient is φ = 359340.

The previous prime is 539009. The next prime is 539039. The reversal of 539013 is 310935.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 539013 - 2² = 539009 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539003) 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, 89833 + ... + 89838.

It is an arithmetic number, because the mean of its divisors is an integer number (179672).

2⁵³⁹⁰¹³ is an apocalyptic number.

It is an amenable number.

539013 is a deficient number, since it is larger than the sum of its proper divisors (179675).

539013 is a wasteful number, since it uses less digits than its factorization.

539013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179674.

The product of its (nonzero) digits is 405, while the sum is 21.

The square root of 539013 is about 734.1750472469. The cubic root of 539013 is about 81.3828847176.

Adding to 539013 its reverse (310935), we get a palindrome (849948).

The spelling of 539013 in words is "five hundred thirty-nine thousand, thirteen".