33386413 has 2 divisors, whose sum is σ = 33386414. Its totient is φ = 33386412.

The previous prime is 33386399. The next prime is 33386417. The reversal of 33386413 is 31468333.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27688644 + 5697769 = 5262^2 + 2387^2 .

It is a cyclic number.

It is not a de Polignac number, because 33386413 - 2⁹ = 33385901 is a prime.

It is a super-2 number, since 2×33386413² = 2229305146013138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33386417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16693206 + 16693207.

It is an arithmetic number, because the mean of its divisors is an integer number (16693207).

Almost surely, 2^33386413 is an apocalyptic number.

It is an amenable number.

33386413 is a deficient number, since it is larger than the sum of its proper divisors (1).

33386413 is an equidigital number, since it uses as much as digits as its factorization.

33386413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 31.

The square root of 33386413 is about 5778.0976973395. The cubic root of 33386413 is about 322.0005304571. Note that the first 3 decimals are identical.

The spelling of 33386413 in words is "thirty-three million, three hundred eighty-six thousand, four hundred thirteen".