33240019 has 2 divisors, whose sum is σ = 33240020. Its totient is φ = 33240018.

The previous prime is 33240017. The next prime is 33240041. The reversal of 33240019 is 91004233.

It is an a-pointer prime, because the next prime (33240041) can be obtained adding 33240019 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 33240019 - 2¹ = 33240017 is a prime.

It is a super-2 number, since 2×33240019² = 2209797726240722, which contains 22 as substring.

Together with 33240017, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (33240017) 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, 16620009 + 16620010.

It is an arithmetic number, because the mean of its divisors is an integer number (16620010).

Almost surely, 2^33240019 is an apocalyptic number.

33240019 is a deficient number, since it is larger than the sum of its proper divisors (1).

33240019 is an equidigital number, since it uses as much as digits as its factorization.

33240019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 33240019 is about 5765.4157699163. The cubic root of 33240019 is about 321.5292008690.

The spelling of 33240019 in words is "thirty-three million, two hundred forty thousand, nineteen".