10333991 has 2 divisors, whose sum is σ = 10333992. Its totient is φ = 10333990.

The previous prime is 10333951. The next prime is 10333997. The reversal of 10333991 is 19933301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10333991 - 2²² = 6139687 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 (10333997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5166995 + 5166996.

It is an arithmetic number, because the mean of its divisors is an integer number (5166996).

Almost surely, 2^10333991 is an apocalyptic number.

10333991 is a deficient number, since it is larger than the sum of its proper divisors (1).

10333991 is an equidigital number, since it uses as much as digits as its factorization.

10333991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2187, while the sum is 29.

The square root of 10333991 is about 3214.6525473214. The cubic root of 10333991 is about 217.8157900139.

The spelling of 10333991 in words is "ten million, three hundred thirty-three thousand, nine hundred ninety-one".