493217 has 2 divisors, whose sum is σ = 493218. Its totient is φ = 493216.

The previous prime is 493211. The next prime is 493219. The reversal of 493217 is 712394.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 474721 + 18496 = 689^2 + 136^2 .

It is a cyclic number.

It is not a de Polignac number, because 493217 - 2⁴ = 493201 is a prime.

Together with 493219, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (493211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246608 + 246609.

It is an arithmetic number, because the mean of its divisors is an integer number (246609).

2⁴⁹³²¹⁷ is an apocalyptic number.

It is an amenable number.

493217 is a deficient number, since it is larger than the sum of its proper divisors (1).

493217 is an equidigital number, since it uses as much as digits as its factorization.

493217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 26.

The square root of 493217 is about 702.2940979390. The cubic root of 493217 is about 79.0095058796.

The spelling of 493217 in words is "four hundred ninety-three thousand, two hundred seventeen".