16832281 has 2 divisors, whose sum is σ = 16832282. Its totient is φ = 16832280.

The previous prime is 16832269. The next prime is 16832339. The reversal of 16832281 is 18223861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9455625 + 7376656 = 3075^2 + 2716^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16832281 is a prime.

It is a super-2 number, since 2×16832281² = 566651367325922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16838281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8416140 + 8416141.

It is an arithmetic number, because the mean of its divisors is an integer number (8416141).

Almost surely, 2^16832281 is an apocalyptic number.

It is an amenable number.

16832281 is a deficient number, since it is larger than the sum of its proper divisors (1).

16832281 is an equidigital number, since it uses as much as digits as its factorization.

16832281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 31.

The square root of 16832281 is about 4102.7162953341. The cubic root of 16832281 is about 256.2797692165.

The spelling of 16832281 in words is "sixteen million, eight hundred thirty-two thousand, two hundred eighty-one".