539382081 has 16 divisors (see below), whose sum is σ = 828391424. Its totient is φ = 305789904.

The previous prime is 539382037. The next prime is 539382119. The reversal of 539382081 is 180283935.

It is not a de Polignac number, because 539382081 - 2¹⁰ = 539381057 is a prime.

It is a super-2 number, since 2×539382081² = 581866058607781122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (539382581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98455 + ... + 103788.

It is an arithmetic number, because the mean of its divisors is an integer number (51774464).

Almost surely, 2^539382081 is an apocalyptic number.

It is an amenable number.

539382081 is a deficient number, since it is larger than the sum of its proper divisors (289009343).

539382081 is a wasteful number, since it uses less digits than its factorization.

539382081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202380.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 539382081 is about 23224.6007715956. The cubic root of 539382081 is about 814.0145571271.

The spelling of 539382081 in words is "five hundred thirty-nine million, three hundred eighty-two thousand, eighty-one".