1003317397 has 2 divisors, whose sum is σ = 1003317398. Its totient is φ = 1003317396.

The previous prime is 1003317349. The next prime is 1003317443. The reversal of 1003317397 is 7937133001.

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., 916938961 + 86378436 = 30281^2 + 9294^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003317397 - 2²³ = 994928789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1003317307) 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, 501658698 + 501658699.

It is an arithmetic number, because the mean of its divisors is an integer number (501658699).

Almost surely, 2^1003317397 is an apocalyptic number.

It is an amenable number.

1003317397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003317397 is an equidigital number, since it uses as much as digits as its factorization.

1003317397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11907, while the sum is 34.

The square root of 1003317397 is about 31675.1858242379. The cubic root of 1003317397 is about 1001.1045784572.

The spelling of 1003317397 in words is "one billion, three million, three hundred seventeen thousand, three hundred ninety-seven".