33285085 has 4 divisors (see below), whose sum is σ = 39942108. Its totient is φ = 26628064.

The previous prime is 33285073. The next prime is 33285097. The reversal of 33285085 is 58058233.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (33285073) and next prime (33285097).

It can be written as a sum of positive squares in 2 ways, for example, as 25826724 + 7458361 = 5082^2 + 2731^2 .

It is a cyclic number.

It is not a de Polignac number, because 33285085 - 2¹¹ = 33283037 is a prime.

It is a super-2 number, since 2×33285085² = 2215793766914450, 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 33285085.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 3328504 + ... + 3328513.

It is an arithmetic number, because the mean of its divisors is an integer number (9985527).

Almost surely, 2^33285085 is an apocalyptic number.

It is an amenable number.

33285085 is a deficient number, since it is larger than the sum of its proper divisors (6657023).

33285085 is an equidigital number, since it uses as much as digits as its factorization.

33285085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6657022.

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

The square root of 33285085 is about 5769.3227505488. The cubic root of 33285085 is about 321.6744423772.

The spelling of 33285085 in words is "thirty-three million, two hundred eighty-five thousand, eighty-five".