539421 has 4 divisors (see below), whose sum is σ = 719232. Its totient is φ = 359612.

The previous prime is 539401. The next prime is 539447. The reversal of 539421 is 124935.

539421 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 a cyclic number.

It is not a de Polignac number, because 539421 - 2⁵ = 539389 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 539391 and 539400.

It is a congruent 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, 89901 + ... + 89906.

It is an arithmetic number, because the mean of its divisors is an integer number (179808).

2⁵³⁹⁴²¹ is an apocalyptic number.

It is an amenable number.

539421 is a deficient number, since it is larger than the sum of its proper divisors (179811).

539421 is a wasteful number, since it uses less digits than its factorization.

539421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179810.

The product of its digits is 1080, while the sum is 24.

The square root of 539421 is about 734.4528575749. The cubic root of 539421 is about 81.4034135006.

The spelling of 539421 in words is "five hundred thirty-nine thousand, four hundred twenty-one".