16933243 has 2 divisors, whose sum is σ = 16933244. Its totient is φ = 16933242.

The previous prime is 16933211. The next prime is 16933247. The reversal of 16933243 is 34233961.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16933243 - 2⁵ = 16933211 is a prime.

It is not a weakly prime, because it can be changed into another prime (16933247) 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, 8466621 + 8466622.

It is an arithmetic number, because the mean of its divisors is an integer number (8466622).

Almost surely, 2^16933243 is an apocalyptic number.

16933243 is a deficient number, since it is larger than the sum of its proper divisors (1).

16933243 is an equidigital number, since it uses as much as digits as its factorization.

16933243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 31.

The square root of 16933243 is about 4115.0021871197. The cubic root of 16933243 is about 256.7911468676.

The spelling of 16933243 in words is "sixteen million, nine hundred thirty-three thousand, two hundred forty-three".