33248321 has 2 divisors, whose sum is σ = 33248322. Its totient is φ = 33248320.

The previous prime is 33248273. The next prime is 33248333. The reversal of 33248321 is 12384233.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32364721 + 883600 = 5689^2 + 940^2 .

It is a cyclic number.

It is not a de Polignac number, because 33248321 - 2¹⁴ = 33231937 is a prime.

It is a super-2 number, since 2×33248321² = 2210901698638082, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (33248381) 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, 16624160 + 16624161.

It is an arithmetic number, because the mean of its divisors is an integer number (16624161).

Almost surely, 2^33248321 is an apocalyptic number.

It is an amenable number.

33248321 is a deficient number, since it is larger than the sum of its proper divisors (1).

33248321 is an equidigital number, since it uses as much as digits as its factorization.

33248321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 26.

The square root of 33248321 is about 5766.1357077336. The cubic root of 33248321 is about 321.5559669309. Note that the first 3 decimals are identical.

The spelling of 33248321 in words is "thirty-three million, two hundred forty-eight thousand, three hundred twenty-one".