33040901 has 2 divisors, whose sum is σ = 33040902. Its totient is φ = 33040900.

The previous prime is 33040897. The next prime is 33040913. The reversal of 33040901 is 10904033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32092225 + 948676 = 5665^2 + 974^2 .

It is a cyclic number.

It is not a de Polignac number, because 33040901 - 2² = 33040897 is a prime.

It is a super-2 number, since 2×33040901² = 2183402277783602, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33040921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16520450 + 16520451.

It is an arithmetic number, because the mean of its divisors is an integer number (16520451).

Almost surely, 2^33040901 is an apocalyptic number.

It is an amenable number.

33040901 is a deficient number, since it is larger than the sum of its proper divisors (1).

33040901 is an equidigital number, since it uses as much as digits as its factorization.

33040901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 33040901 is about 5748.1215192444. The cubic root of 33040901 is about 320.8858948161.

Adding to 33040901 its reverse (10904033), we get a palindrome (43944934).

The spelling of 33040901 in words is "thirty-three million, forty thousand, nine hundred one".