804317 has 2 divisors, whose sum is σ = 804318. Its totient is φ = 804316.

The previous prime is 804313. The next prime is 804329. The reversal of 804317 is 713408.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 784996 + 19321 = 886^2 + 139^2 .

It is a cyclic number.

It is not a de Polignac number, because 804317 - 2² = 804313 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 804292 and 804301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (804313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402158 + 402159.

It is an arithmetic number, because the mean of its divisors is an integer number (402159).

2⁸⁰⁴³¹⁷ is an apocalyptic number.

It is an amenable number.

804317 is a deficient number, since it is larger than the sum of its proper divisors (1).

804317 is an equidigital number, since it uses as much as digits as its factorization.

804317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 804317 is about 896.8372204587. The cubic root of 804317 is about 92.9984583704.

Subtracting from 804317 its reverse (713408), we obtain a palindrome (90909).

The spelling of 804317 in words is "eight hundred four thousand, three hundred seventeen".