493853317 has 2 divisors, whose sum is σ = 493853318. Its totient is φ = 493853316.

The previous prime is 493853231. The next prime is 493853329. The reversal of 493853317 is 713358394.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 483956001 + 9897316 = 21999^2 + 3146^2 .

It is a cyclic number.

It is not a de Polignac number, because 493853317 - 2¹¹ = 493851269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (493853117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246926658 + 246926659.

It is an arithmetic number, because the mean of its divisors is an integer number (246926659).

Almost surely, 2^493853317 is an apocalyptic number.

It is an amenable number.

493853317 is a deficient number, since it is larger than the sum of its proper divisors (1).

493853317 is an equidigital number, since it uses as much as digits as its factorization.

493853317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 43.

The square root of 493853317 is about 22222.8107358183. The cubic root of 493853317 is about 790.4346894700.

The spelling of 493853317 in words is "four hundred ninety-three million, eight hundred fifty-three thousand, three hundred seventeen".