80317 has 2 divisors, whose sum is σ = 80318. Its totient is φ = 80316.

The previous prime is 80309. The next prime is 80329. The reversal of 80317 is 71308.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51076 + 29241 = 226^2 + 171^2 .

It is a cyclic number.

It is not a de Polignac number, because 80317 - 2³ = 80309 is a prime.

80317 is a lucky number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 80294 and 80303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80347) 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, 40158 + 40159.

It is an arithmetic number, because the mean of its divisors is an integer number (40159).

2⁸⁰³¹⁷ is an apocalyptic number.

It is an amenable number.

80317 is a deficient number, since it is larger than the sum of its proper divisors (1).

80317 is an equidigital number, since it uses as much as digits as its factorization.

80317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 80317 is about 283.4025405673. The cubic root of 80317 is about 43.1455317762.

Subtracting from 80317 its reverse (71308), we obtain a palindrome (9009).

It can be divided in two parts, 803 and 17, that added together give a triangular number (820 = T₄₀).

The spelling of 80317 in words is "eighty thousand, three hundred seventeen".