539481 has 4 divisors (see below), whose sum is σ = 719312. Its totient is φ = 359652.

The previous prime is 539479. The next prime is 539501. The reversal of 539481 is 184935.

539481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 539481 - 2¹ = 539479 is a prime.

It is a super-2 number, since 2×539481² = 582079498722, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 539481.

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, 89911 + ... + 89916.

It is an arithmetic number, because the mean of its divisors is an integer number (179828).

2⁵³⁹⁴⁸¹ is an apocalyptic number.

It is an amenable number.

539481 is a deficient number, since it is larger than the sum of its proper divisors (179831).

539481 is a wasteful number, since it uses less digits than its factorization.

539481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179830.

The product of its digits is 4320, while the sum is 30.

The square root of 539481 is about 734.4937031725. The cubic root of 539481 is about 81.4064315661.

The spelling of 539481 in words is "five hundred thirty-nine thousand, four hundred eighty-one".