996519317 has 2 divisors, whose sum is σ = 996519318. Its totient is φ = 996519316.

The previous prime is 996519289. The next prime is 996519323. The reversal of 996519317 is 713915699.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 986336836 + 10182481 = 31406^2 + 3191^2 .

It is a cyclic number.

It is not a de Polignac number, because 996519317 - 2⁶ = 996519253 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (996519347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498259658 + 498259659.

It is an arithmetic number, because the mean of its divisors is an integer number (498259659).

Almost surely, 2^996519317 is an apocalyptic number.

It is an amenable number.

996519317 is a deficient number, since it is larger than the sum of its proper divisors (1).

996519317 is an equidigital number, since it uses as much as digits as its factorization.

996519317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 459270, while the sum is 50.

The square root of 996519317 is about 31567.6941983414. The cubic root of 996519317 is about 998.8384235960.

The spelling of 996519317 in words is "nine hundred ninety-six million, five hundred nineteen thousand, three hundred seventeen".