5805271081 has 2 divisors, whose sum is σ = 5805271082. Its totient is φ = 5805271080.

The previous prime is 5805271067. The next prime is 5805271097. The reversal of 5805271081 is 1801725085.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3459321856 + 2345949225 = 58816^2 + 48435^2 .

It is a cyclic number.

It is not a de Polignac number, because 5805271081 - 2¹⁷ = 5805140009 is a prime.

It is a super-3 number, since 3×5805271081³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 5805271081.

It is not a weakly prime, because it can be changed into another prime (5805271781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2902635540 + 2902635541.

It is an arithmetic number, because the mean of its divisors is an integer number (2902635541).

Almost surely, 2^5805271081 is an apocalyptic number.

It is an amenable number.

5805271081 is a deficient number, since it is larger than the sum of its proper divisors (1).

5805271081 is an equidigital number, since it uses as much as digits as its factorization.

5805271081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22400, while the sum is 37.

The square root of 5805271081 is about 76192.3295417590. The cubic root of 5805271081 is about 1797.2458994354.

The spelling of 5805271081 in words is "five billion, eight hundred five million, two hundred seventy-one thousand, eighty-one".