33128363 has 2 divisors, whose sum is σ = 33128364. Its totient is φ = 33128362.

The previous prime is 33128327. The next prime is 33128383. The reversal of 33128363 is 36382133.

It is a strong prime.

It is an emirp because it is prime and its reverse (36382133) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33128363 - 2⁶ = 33128299 is a prime.

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 (33128383) 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, 16564181 + 16564182.

It is an arithmetic number, because the mean of its divisors is an integer number (16564182).

Almost surely, 2^33128363 is an apocalyptic number.

33128363 is a deficient number, since it is larger than the sum of its proper divisors (1).

33128363 is an equidigital number, since it uses as much as digits as its factorization.

33128363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 29.

The square root of 33128363 is about 5755.7243679662. The cubic root of 33128363 is about 321.1687825289.

The spelling of 33128363 in words is "thirty-three million, one hundred twenty-eight thousand, three hundred sixty-three".