9961333 has 2 divisors, whose sum is σ = 9961334. Its totient is φ = 9961332.

The previous prime is 9961313. The next prime is 9961351. The reversal of 9961333 is 3331699.

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., 8538084 + 1423249 = 2922^2 + 1193^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9961333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9961313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4980666 + 4980667.

It is an arithmetic number, because the mean of its divisors is an integer number (4980667).

Almost surely, 2^9961333 is an apocalyptic number.

It is an amenable number.

9961333 is a deficient number, since it is larger than the sum of its proper divisors (1).

9961333 is an equidigital number, since it uses as much as digits as its factorization.

9961333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13122, while the sum is 34.

The square root of 9961333 is about 3156.1579491527. The cubic root of 9961333 is about 215.1654252368.

The spelling of 9961333 in words is "nine million, nine hundred sixty-one thousand, three hundred thirty-three".