33528961 has 2 divisors, whose sum is σ = 33528962. Its totient is φ = 33528960.

The previous prime is 33528953. The next prime is 33529031. The reversal of 33528961 is 16982533.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18974736 + 14554225 = 4356^2 + 3815^2 .

It is a cyclic number.

It is not a de Polignac number, because 33528961 - 2³ = 33528953 is a prime.

It is a super-2 number, since 2×33528961² = 2248382451479042, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33528961.

It is not a weakly prime, because it can be changed into another prime (33528931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16764480 + 16764481.

It is an arithmetic number, because the mean of its divisors is an integer number (16764481).

Almost surely, 2^33528961 is an apocalyptic number.

It is an amenable number.

33528961 is a deficient number, since it is larger than the sum of its proper divisors (1).

33528961 is an equidigital number, since it uses as much as digits as its factorization.

33528961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 37.

The square root of 33528961 is about 5790.4197602592. The cubic root of 33528961 is about 322.4581553384.

The spelling of 33528961 in words is "thirty-three million, five hundred twenty-eight thousand, nine hundred sixty-one".