33040697 has 2 divisors, whose sum is σ = 33040698. Its totient is φ = 33040696.

The previous prime is 33040669. The next prime is 33040729. The reversal of 33040697 is 79604033.

It is an a-pointer prime, because the next prime (33040729) can be obtained adding 33040697 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31125241 + 1915456 = 5579^2 + 1384^2 .

It is an emirp because it is prime and its reverse (79604033) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33040697 - 2⁶ = 33040633 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (33040607) 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, 16520348 + 16520349.

It is an arithmetic number, because the mean of its divisors is an integer number (16520349).

Almost surely, 2^33040697 is an apocalyptic number.

It is an amenable number.

33040697 is a deficient number, since it is larger than the sum of its proper divisors (1).

33040697 is an equidigital number, since it uses as much as digits as its factorization.

33040697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 33040697 is about 5748.1037742894. The cubic root of 33040697 is about 320.8852344138.

The spelling of 33040697 in words is "thirty-three million, forty thousand, six hundred ninety-seven".