499538317 has 2 divisors, whose sum is σ = 499538318. Its totient is φ = 499538316.

The previous prime is 499538287. The next prime is 499538359. The reversal of 499538317 is 713835994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 499477801 + 60516 = 22349^2 + 246^2 .

It is a cyclic number.

It is not a de Polignac number, because 499538317 - 2⁷ = 499538189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499532317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249769158 + 249769159.

It is an arithmetic number, because the mean of its divisors is an integer number (249769159).

Almost surely, 2^499538317 is an apocalyptic number.

It is an amenable number.

499538317 is a deficient number, since it is larger than the sum of its proper divisors (1).

499538317 is an equidigital number, since it uses as much as digits as its factorization.

499538317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 49.

The square root of 499538317 is about 22350.3538450737. The cubic root of 499538317 is about 793.4561587286.

The spelling of 499538317 in words is "four hundred ninety-nine million, five hundred thirty-eight thousand, three hundred seventeen".