16433243 has 2 divisors, whose sum is σ = 16433244. Its totient is φ = 16433242.

The previous prime is 16433239. The next prime is 16433281. The reversal of 16433243 is 34233461.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16433243 - 2² = 16433239 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16432243) 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, 8216621 + 8216622.

It is an arithmetic number, because the mean of its divisors is an integer number (8216622).

Almost surely, 2^16433243 is an apocalyptic number.

16433243 is a deficient number, since it is larger than the sum of its proper divisors (1).

16433243 is an equidigital number, since it uses as much as digits as its factorization.

16433243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 26.

The square root of 16433243 is about 4053.7936553308. The cubic root of 16433243 is about 254.2383682088.

The spelling of 16433243 in words is "sixteen million, four hundred thirty-three thousand, two hundred forty-three".