8280817 has 2 divisors, whose sum is σ = 8280818. Its totient is φ = 8280816.

The previous prime is 8280799. The next prime is 8280821. The reversal of 8280817 is 7180828.

8280817 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8014561 + 266256 = 2831^2 + 516^2 .

It is a cyclic number.

It is not a de Polignac number, because 8280817 - 2¹⁵ = 8248049 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (8280917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4140408 + 4140409.

It is an arithmetic number, because the mean of its divisors is an integer number (4140409).

Almost surely, 2^8280817 is an apocalyptic number.

It is an amenable number.

8280817 is a deficient number, since it is larger than the sum of its proper divisors (1).

8280817 is an equidigital number, since it uses as much as digits as its factorization.

8280817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7168, while the sum is 34.

The square root of 8280817 is about 2877.6408740494. The cubic root of 8280817 is about 202.3132821370.

The spelling of 8280817 in words is "eight million, two hundred eighty thousand, eight hundred seventeen".