803280217 has 2 divisors, whose sum is σ = 803280218. Its totient is φ = 803280216.

The previous prime is 803280199. The next prime is 803280223. The reversal of 803280217 is 712082308.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 550183936 + 253096281 = 23456^2 + 15909^2 .

It is a cyclic number.

It is not a de Polignac number, because 803280217 - 2¹⁵ = 803247449 is a prime.

It is a super-3 number, since 3×803280217³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (803284217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401640108 + 401640109.

It is an arithmetic number, because the mean of its divisors is an integer number (401640109).

Almost surely, 2^803280217 is an apocalyptic number.

It is an amenable number.

803280217 is a deficient number, since it is larger than the sum of its proper divisors (1).

803280217 is an equidigital number, since it uses as much as digits as its factorization.

803280217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 803280217 is about 28342.1985209334. The cubic root of 803280217 is about 929.5848214245.

The spelling of 803280217 in words is "eight hundred three million, two hundred eighty thousand, two hundred seventeen".