33678941 has 2 divisors, whose sum is σ = 33678942. Its totient is φ = 33678940.

The previous prime is 33678937. The next prime is 33678943. The reversal of 33678941 is 14987633.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29658916 + 4020025 = 5446^2 + 2005^2 .

It is a cyclic number.

It is not a de Polignac number, because 33678941 - 2² = 33678937 is a prime.

It is a super-2 number, since 2×33678941² = 2268542133762962, which contains 22 as substring.

Together with 33678943, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33678943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16839470 + 16839471.

It is an arithmetic number, because the mean of its divisors is an integer number (16839471).

Almost surely, 2^33678941 is an apocalyptic number.

It is an amenable number.

33678941 is a deficient number, since it is larger than the sum of its proper divisors (1).

33678941 is an equidigital number, since it uses as much as digits as its factorization.

33678941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 41.

The square root of 33678941 is about 5803.3560118263. The cubic root of 33678941 is about 322.9382412187.

The spelling of 33678941 in words is "thirty-three million, six hundred seventy-eight thousand, nine hundred forty-one".