493931017 has 2 divisors, whose sum is σ = 493931018. Its totient is φ = 493931016.

The previous prime is 493930979. The next prime is 493931021. The reversal of 493931017 is 710139394.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 485056576 + 8874441 = 22024^2 + 2979^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-493931017 is a prime.

It is not a weakly prime, because it can be changed into another prime (493931047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246965508 + 246965509.

It is an arithmetic number, because the mean of its divisors is an integer number (246965509).

Almost surely, 2^493931017 is an apocalyptic number.

It is an amenable number.

493931017 is a deficient number, since it is larger than the sum of its proper divisors (1).

493931017 is an equidigital number, since it uses as much as digits as its factorization.

493931017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 493931017 is about 22224.5588707628. The cubic root of 493931017 is about 790.4761414238.

The spelling of 493931017 in words is "four hundred ninety-three million, nine hundred thirty-one thousand, seventeen".