8280005081 has 2 divisors, whose sum is σ = 8280005082. Its totient is φ = 8280005080.

The previous prime is 8280005029. The next prime is 8280005101. The reversal of 8280005081 is 1805000828.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7252225600 + 1027779481 = 85160^2 + 32059^2 .

It is a cyclic number.

It is not a de Polignac number, because 8280005081 - 2¹⁴ = 8279988697 is a prime.

It is a super-2 number, since 2×8280005081² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (8280005381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4140002540 + 4140002541.

It is an arithmetic number, because the mean of its divisors is an integer number (4140002541).

Almost surely, 2^8280005081 is an apocalyptic number.

It is an amenable number.

8280005081 is a deficient number, since it is larger than the sum of its proper divisors (1).

8280005081 is an equidigital number, since it uses as much as digits as its factorization.

8280005081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5120, while the sum is 32.

The square root of 8280005081 is about 90994.5332478825. The cubic root of 8280005081 is about 2023.0666977152.

The spelling of 8280005081 in words is "eight billion, two hundred eighty million, five thousand, eighty-one".