33528769 has 2 divisors, whose sum is σ = 33528770. Its totient is φ = 33528768.

The previous prime is 33528767. The next prime is 33528793. The reversal of 33528769 is 96782533.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20133169 + 13395600 = 4487^2 + 3660^2 .

It is an emirp because it is prime and its reverse (96782533) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33528769 - 2¹ = 33528767 is a prime.

It is a super-2 number, since 2×33528769² = 2248356701310722, which contains 22 as substring.

Together with 33528767, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (33528767) 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, 16764384 + 16764385.

It is an arithmetic number, because the mean of its divisors is an integer number (16764385).

Almost surely, 2^33528769 is an apocalyptic number.

It is an amenable number.

33528769 is a deficient number, since it is larger than the sum of its proper divisors (1).

33528769 is an equidigital number, since it uses as much as digits as its factorization.

33528769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 43.

The square root of 33528769 is about 5790.4031811265. The cubic root of 33528769 is about 322.4575398299.

It can be divided in two parts, 3352 and 8769, that added together give a palindrome (12121).

The spelling of 33528769 in words is "thirty-three million, five hundred twenty-eight thousand, seven hundred sixty-nine".