33388049 has 2 divisors, whose sum is σ = 33388050. Its totient is φ = 33388048.

The previous prime is 33388037. The next prime is 33388067. The reversal of 33388049 is 94088333.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31584400 + 1803649 = 5620^2 + 1343^2 .

It is an emirp because it is prime and its reverse (94088333) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33388049 - 2⁸ = 33387793 is a prime.

It is a super-2 number, since 2×33388049² = 2229523632052802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33388009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16694024 + 16694025.

It is an arithmetic number, because the mean of its divisors is an integer number (16694025).

Almost surely, 2^33388049 is an apocalyptic number.

It is an amenable number.

33388049 is a deficient number, since it is larger than the sum of its proper divisors (1).

33388049 is an equidigital number, since it uses as much as digits as its factorization.

33388049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 33388049 is about 5778.2392646895. The cubic root of 33388049 is about 322.0057899246.

The spelling of 33388049 in words is "thirty-three million, three hundred eighty-eight thousand, forty-nine".