8025730217 has 2 divisors, whose sum is σ = 8025730218. Its totient is φ = 8025730216.

The previous prime is 8025730201. The next prime is 8025730357. The reversal of 8025730217 is 7120375208.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4631619136 + 3394111081 = 68056^2 + 58259^2 .

It is a cyclic number.

It is not a de Polignac number, because 8025730217 - 2⁴ = 8025730201 is a prime.

It is not a weakly prime, because it can be changed into another prime (8025730417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4012865108 + 4012865109.

It is an arithmetic number, because the mean of its divisors is an integer number (4012865109).

Almost surely, 2^8025730217 is an apocalyptic number.

It is an amenable number.

8025730217 is a deficient number, since it is larger than the sum of its proper divisors (1).

8025730217 is an equidigital number, since it uses as much as digits as its factorization.

8025730217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 8025730217 is about 89586.4399169874. The cubic root of 8025730217 is about 2002.1418900846.

The spelling of 8025730217 in words is "eight billion, twenty-five million, seven hundred thirty thousand, two hundred seventeen".