33351361 has 2 divisors, whose sum is σ = 33351362. Its totient is φ = 33351360.

The previous prime is 33351349. The next prime is 33351371. The reversal of 33351361 is 16315333.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26460736 + 6890625 = 5144^2 + 2625^2 .

It is an emirp because it is prime and its reverse (16315333) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33351361 - 2¹⁷ = 33220289 is a prime.

It is a super-2 number, since 2×33351361² = 2224626561104642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33351301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16675680 + 16675681.

It is an arithmetic number, because the mean of its divisors is an integer number (16675681).

Almost surely, 2^33351361 is an apocalyptic number.

It is an amenable number.

33351361 is a deficient number, since it is larger than the sum of its proper divisors (1).

33351361 is an equidigital number, since it uses as much as digits as its factorization.

33351361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2430, while the sum is 25.

The square root of 33351361 is about 5775.0637225922. The cubic root of 33351361 is about 321.8878028150.

Adding to 33351361 its reverse (16315333), we get a palindrome (49666694).

The spelling of 33351361 in words is "thirty-three million, three hundred fifty-one thousand, three hundred sixty-one".