539995 has 4 divisors (see below), whose sum is σ = 648000. Its totient is φ = 431992.

The previous prime is 539993. The next prime is 540041. The reversal of 539995 is 599935.

It is a happy number.

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 539995 - 2¹ = 539993 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (539993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53995 + ... + 54004.

It is an arithmetic number, because the mean of its divisors is an integer number (162000).

2⁵³⁹⁹⁹⁵ is an apocalyptic number.

539995 is a deficient number, since it is larger than the sum of its proper divisors (108005).

539995 is a wasteful number, since it uses less digits than its factorization.

539995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108004.

The product of its digits is 54675, while the sum is 40.

The square root of 539995 is about 734.8435207580. The cubic root of 539995 is about 81.4322771621.

It can be divided in two parts, 5 and 39995, that added together give a square (40000 = 200²).

The spelling of 539995 in words is "five hundred thirty-nine thousand, nine hundred ninety-five".