33333241 has 2 divisors, whose sum is σ = 33333242. Its totient is φ = 33333240.

The previous prime is 33333217. The next prime is 33333247. The reversal of 33333241 is 14233333.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32947600 + 385641 = 5740^2 + 621^2 .

It is an emirp because it is prime and its reverse (14233333) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33333241 - 2¹⁵ = 33300473 is a prime.

It is a super-2 number, since 2×33333241² = 2222209911128162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33333247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16666620 + 16666621.

It is an arithmetic number, because the mean of its divisors is an integer number (16666621).

Almost surely, 2^33333241 is an apocalyptic number.

It is an amenable number.

33333241 is a deficient number, since it is larger than the sum of its proper divisors (1).

33333241 is an equidigital number, since it uses as much as digits as its factorization.

33333241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 22.

The square root of 33333241 is about 5773.4946955895. The cubic root of 33333241 is about 321.8294977121.

Adding to 33333241 its reverse (14233333), we get a palindrome (47566574).

The spelling of 33333241 in words is "thirty-three million, three hundred thirty-three thousand, two hundred forty-one".