8025481729 has 2 divisors, whose sum is σ = 8025481730. Its totient is φ = 8025481728.

The previous prime is 8025481691. The next prime is 8025481741. The reversal of 8025481729 is 9271845208.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7284281104 + 741200625 = 85348^2 + 27225^2 .

It is a cyclic number.

It is not a de Polignac number, because 8025481729 - 2¹⁷ = 8025350657 is a prime.

It is not a weakly prime, because it can be changed into another prime (8025481769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4012740864 + 4012740865.

It is an arithmetic number, because the mean of its divisors is an integer number (4012740865).

Almost surely, 2^8025481729 is an apocalyptic number.

It is an amenable number.

8025481729 is a deficient number, since it is larger than the sum of its proper divisors (1).

8025481729 is an equidigital number, since it uses as much as digits as its factorization.

8025481729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 322560, while the sum is 46.

The square root of 8025481729 is about 89585.0530445788. The cubic root of 8025481729 is about 2002.1212268197.

The spelling of 8025481729 in words is "eight billion, twenty-five million, four hundred eighty-one thousand, seven hundred twenty-nine".