539846081 has 2 divisors, whose sum is σ = 539846082. Its totient is φ = 539846080.

The previous prime is 539846063. The next prime is 539846093. The reversal of 539846081 is 180648935.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 493728400 + 46117681 = 22220^2 + 6791^2 .

It is a cyclic number.

It is not a de Polignac number, because 539846081 - 2⁶ = 539846017 is a prime.

It is a super-2 number, since 2×539846081² = 582867582342117122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (539846581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269923040 + 269923041.

It is an arithmetic number, because the mean of its divisors is an integer number (269923041).

Almost surely, 2^539846081 is an apocalyptic number.

It is an amenable number.

539846081 is a deficient number, since it is larger than the sum of its proper divisors (1).

539846081 is an equidigital number, since it uses as much as digits as its factorization.

539846081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 539846081 is about 23234.5880316394. The cubic root of 539846081 is about 814.2479071734.

The spelling of 539846081 in words is "five hundred thirty-nine million, eight hundred forty-six thousand, eighty-one".