3033281 has 2 divisors, whose sum is σ = 3033282. Its totient is φ = 3033280.

The previous prime is 3033269. The next prime is 3033301. The reversal of 3033281 is 1823303.

It is an a-pointer prime, because the next prime (3033301) can be obtained adding 3033281 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1690000 + 1343281 = 1300^2 + 1159^2 .

It is an emirp because it is prime and its reverse (1823303) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3033281 is a prime.

It is a super-2 number, since 2×3033281² = 18401587249922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3033181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1516640 + 1516641.

It is an arithmetic number, because the mean of its divisors is an integer number (1516641).

Almost surely, 2^3033281 is an apocalyptic number.

It is an amenable number.

3033281 is a deficient number, since it is larger than the sum of its proper divisors (1).

3033281 is an equidigital number, since it uses as much as digits as its factorization.

3033281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 3033281 is about 1741.6317061882. The cubic root of 3033281 is about 144.7563247754.

Adding to 3033281 its reverse (1823303), we get a palindrome (4856584).

The spelling of 3033281 in words is "three million, thirty-three thousand, two hundred eighty-one".