33397963 has 2 divisors, whose sum is σ = 33397964. Its totient is φ = 33397962.

The previous prime is 33397957. The next prime is 33397981. The reversal of 33397963 is 36979333.

It is a weak prime.

It is an emirp because it is prime and its reverse (36979333) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33397963 - 2⁹ = 33397451 is a prime.

It is a super-2 number, since 2×33397963² = 2230847865098738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33397933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16698981 + 16698982.

It is an arithmetic number, because the mean of its divisors is an integer number (16698982).

Almost surely, 2^33397963 is an apocalyptic number.

33397963 is a deficient number, since it is larger than the sum of its proper divisors (1).

33397963 is an equidigital number, since it uses as much as digits as its factorization.

33397963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 275562, while the sum is 43.

The square root of 33397963 is about 5779.0970748033. The cubic root of 33397963 is about 322.0376581087.

The spelling of 33397963 in words is "thirty-three million, three hundred ninety-seven thousand, nine hundred sixty-three".