33528085 has 4 divisors (see below), whose sum is σ = 40233708. Its totient is φ = 26822464.

The previous prime is 33528067. The next prime is 33528091. The reversal of 33528085 is 58082533.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58082533 = 97 ⋅598789.

It can be written as a sum of positive squares in 2 ways, for example, as 24990001 + 8538084 = 4999^2 + 2922^2 .

It is a cyclic number.

It is not a de Polignac number, because 33528085 - 2¹¹ = 33526037 is a prime.

It is a super-2 number, since 2×33528085² = 2248264967534450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33528085.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3352804 + ... + 3352813.

It is an arithmetic number, because the mean of its divisors is an integer number (10058427).

Almost surely, 2^33528085 is an apocalyptic number.

It is an amenable number.

33528085 is a deficient number, since it is larger than the sum of its proper divisors (6705623).

33528085 is an equidigital number, since it uses as much as digits as its factorization.

33528085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6705622.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 33528085 is about 5790.3441175806. The cubic root of 33528085 is about 322.4553470617.

The spelling of 33528085 in words is "thirty-three million, five hundred twenty-eight thousand, eighty-five".