9921133 has 2 divisors, whose sum is σ = 9921134. Its totient is φ = 9921132.

The previous prime is 9921053. The next prime is 9921137. The reversal of 9921133 is 3311299.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6165289 + 3755844 = 2483^2 + 1938^2 .

It is an emirp because it is prime and its reverse (3311299) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9921133 - 2⁹ = 9920621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9921137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4960566 + 4960567.

It is an arithmetic number, because the mean of its divisors is an integer number (4960567).

Almost surely, 2^9921133 is an apocalyptic number.

It is an amenable number.

9921133 is a deficient number, since it is larger than the sum of its proper divisors (1).

9921133 is an equidigital number, since it uses as much as digits as its factorization.

9921133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1458, while the sum is 28.

The square root of 9921133 is about 3149.7830083992. The cubic root of 9921133 is about 214.8755941545.

The spelling of 9921133 in words is "nine million, nine hundred twenty-one thousand, one hundred thirty-three".