801217 has 2 divisors, whose sum is σ = 801218. Its totient is φ = 801216.

The previous prime is 801197. The next prime is 801247. The reversal of 801217 is 712108.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 430336 + 370881 = 656^2 + 609^2 .

It is a cyclic number.

It is not a de Polignac number, because 801217 - 2¹⁹ = 276929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 801194 and 801203.

It is not a weakly prime, because it can be changed into another prime (801247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400608 + 400609.

It is an arithmetic number, because the mean of its divisors is an integer number (400609).

2⁸⁰¹²¹⁷ is an apocalyptic number.

It is an amenable number.

801217 is a deficient number, since it is larger than the sum of its proper divisors (1).

801217 is an equidigital number, since it uses as much as digits as its factorization.

801217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 801217 is about 895.1072561431. The cubic root of 801217 is about 92.8788262690.

The spelling of 801217 in words is "eight hundred one thousand, two hundred seventeen".