493321313 has 2 divisors, whose sum is σ = 493321314. Its totient is φ = 493321312.

The previous prime is 493321303. The next prime is 493321343. The reversal of 493321313 is 313123394.

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., 489604129 + 3717184 = 22127^2 + 1928^2 .

It is a cyclic number.

It is not a de Polignac number, because 493321313 - 2⁸ = 493321057 is a prime.

It is not a weakly prime, because it can be changed into another prime (493321303) 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, 246660656 + 246660657.

It is an arithmetic number, because the mean of its divisors is an integer number (246660657).

Almost surely, 2^493321313 is an apocalyptic number.

It is an amenable number.

493321313 is a deficient number, since it is larger than the sum of its proper divisors (1).

493321313 is an equidigital number, since it uses as much as digits as its factorization.

493321313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 29.

The square root of 493321313 is about 22210.8377374650. The cubic root of 493321313 is about 790.1507552920.

The spelling of 493321313 in words is "four hundred ninety-three million, three hundred twenty-one thousand, three hundred thirteen".