999005417 has 2 divisors, whose sum is σ = 999005418. Its totient is φ = 999005416.

The previous prime is 999005407. The next prime is 999005419. The reversal of 999005417 is 714500999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 835267801 + 163737616 = 28901^2 + 12796^2 .

It is an emirp because it is prime and its reverse (714500999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 999005417 - 2¹⁰ = 999004393 is a prime.

Together with 999005419, 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 (999005419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499502708 + 499502709.

It is an arithmetic number, because the mean of its divisors is an integer number (499502709).

Almost surely, 2^999005417 is an apocalyptic number.

It is an amenable number.

999005417 is a deficient number, since it is larger than the sum of its proper divisors (1).

999005417 is an equidigital number, since it uses as much as digits as its factorization.

999005417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102060, while the sum is 44.

The square root of 999005417 is about 31607.0469515898. The cubic root of 999005417 is about 999.6683623620.

The spelling of 999005417 in words is "nine hundred ninety-nine million, five thousand, four hundred seventeen".