16450433 has 2 divisors, whose sum is σ = 16450434. Its totient is φ = 16450432.

The previous prime is 16450417. The next prime is 16450481. The reversal of 16450433 is 33405461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16056049 + 394384 = 4007^2 + 628^2 .

It is an emirp because it is prime and its reverse (33405461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16450433 - 2⁴ = 16450417 is a prime.

It is a Chen prime.

It is equal to p_1058192 and since 16450433 and 1058192 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (16450403) 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, 8225216 + 8225217.

It is an arithmetic number, because the mean of its divisors is an integer number (8225217).

Almost surely, 2^16450433 is an apocalyptic number.

It is an amenable number.

16450433 is a deficient number, since it is larger than the sum of its proper divisors (1).

16450433 is an equidigital number, since it uses as much as digits as its factorization.

16450433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 16450433 is about 4055.9133373385. The cubic root of 16450433 is about 254.3269860298.

Adding to 16450433 its reverse (33405461), we get a palindrome (49855894).

The spelling of 16450433 in words is "sixteen million, four hundred fifty thousand, four hundred thirty-three".