33424019 has 2 divisors, whose sum is σ = 33424020. Its totient is φ = 33424018.

The previous prime is 33423967. The next prime is 33424033. The reversal of 33424019 is 91042433.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 33424019 - 2⁸ = 33423763 is a prime.

It is a super-2 number, since 2×33424019² = 2234330092224722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (33424099) 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, 16712009 + 16712010.

It is an arithmetic number, because the mean of its divisors is an integer number (16712010).

Almost surely, 2^33424019 is an apocalyptic number.

33424019 is a deficient number, since it is larger than the sum of its proper divisors (1).

33424019 is an equidigital number, since it uses as much as digits as its factorization.

33424019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 33424019 is about 5781.3509666859. The cubic root of 33424019 is about 322.1213840936.

The spelling of 33424019 in words is "thirty-three million, four hundred twenty-four thousand, nineteen".