539801 has 8 divisors (see below), whose sum is σ = 578664. Its totient is φ = 501760.

The previous prime is 539797. The next prime is 539837. The reversal of 539801 is 108935.

It can be written as a sum of positive squares in 4 ways, for example, as 48400 + 491401 = 220^2 + 701^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 539801 - 2² = 539797 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 (539881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1781 + ... + 2061.

It is an arithmetic number, because the mean of its divisors is an integer number (72333).

2⁵³⁹⁸⁰¹ is an apocalyptic number.

It is an amenable number.

539801 is a deficient number, since it is larger than the sum of its proper divisors (38863).

539801 is a wasteful number, since it uses less digits than its factorization.

539801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 539801 is about 734.7115080084. The cubic root of 539801 is about 81.4225241372.

The spelling of 539801 in words is "five hundred thirty-nine thousand, eight hundred one".