9997133 has 2 divisors, whose sum is σ = 9997134. Its totient is φ = 9997132.

The previous prime is 9997129. The next prime is 9997177. The reversal of 9997133 is 3317999.

9997133 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6360484 + 3636649 = 2522^2 + 1907^2 .

It is a cyclic number.

It is not a de Polignac number, because 9997133 - 2² = 9997129 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9997123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4998566 + 4998567.

It is an arithmetic number, because the mean of its divisors is an integer number (4998567).

Almost surely, 2^9997133 is an apocalyptic number.

It is an amenable number.

9997133 is a deficient number, since it is larger than the sum of its proper divisors (1).

9997133 is an equidigital number, since it uses as much as digits as its factorization.

9997133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45927, while the sum is 41.

The square root of 9997133 is about 3161.8243151700. The cubic root of 9997133 is about 215.4228778210.

The spelling of 9997133 in words is "nine million, nine hundred ninety-seven thousand, one hundred thirty-three".