539659 has 4 divisors (see below), whose sum is σ = 544720. Its totient is φ = 534600.

The previous prime is 539653. The next prime is 539663. The reversal of 539659 is 956935.

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 539659 - 2¹¹ = 537611 is a prime.

It is a Duffinian number.

539659 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (539653) 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, 2367 + ... + 2584.

It is an arithmetic number, because the mean of its divisors is an integer number (136180).

2⁵³⁹⁶⁵⁹ is an apocalyptic number.

539659 is a deficient number, since it is larger than the sum of its proper divisors (5061).

539659 is a wasteful number, since it uses less digits than its factorization.

539659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5060.

The product of its digits is 36450, while the sum is 37.

The square root of 539659 is about 734.6148650824. The cubic root of 539659 is about 81.4153838439.

The spelling of 539659 in words is "five hundred thirty-nine thousand, six hundred fifty-nine".