539636081 has 8 divisors (see below), whose sum is σ = 572513280. Its totient is φ = 507206448.

The previous prime is 539636077. The next prime is 539636129. The reversal of 539636081 is 180636935.

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 539636081 - 2² = 539636077 is a prime.

It is a super-2 number, since 2×539636081² = 582414199834077122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (539636011) 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 7 ways as a sum of consecutive naturals, for example, 109406 + ... + 114231.

It is an arithmetic number, because the mean of its divisors is an integer number (71564160).

Almost surely, 2^539636081 is an apocalyptic number.

It is an amenable number.

539636081 is a deficient number, since it is larger than the sum of its proper divisors (32877199).

539636081 is a wasteful number, since it uses less digits than its factorization.

539636081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223783.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 539636081 is about 23230.0684673980. The cubic root of 539636081 is about 814.1423127313.

The spelling of 539636081 in words is "five hundred thirty-nine million, six hundred thirty-six thousand, eighty-one".