80317451 has 2 divisors, whose sum is σ = 80317452. Its totient is φ = 80317450.

The previous prime is 80317441. The next prime is 80317463. The reversal of 80317451 is 15471308.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80317451 - 2¹⁸ = 80055307 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80317411) 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, 40158725 + 40158726.

It is an arithmetic number, because the mean of its divisors is an integer number (40158726).

Almost surely, 2^80317451 is an apocalyptic number.

80317451 is a deficient number, since it is larger than the sum of its proper divisors (1).

80317451 is an equidigital number, since it uses as much as digits as its factorization.

80317451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 80317451 is about 8962.0003905378. Note that the first 3 decimals coincide. The cubic root of 80317451 is about 431.4561253367.

Adding to 80317451 its reverse (15471308), we get a palindrome (95788759).

The spelling of 80317451 in words is "eighty million, three hundred seventeen thousand, four hundred fifty-one".