33085512 has 24 divisors (see below), whose sum is σ = 89606790. Its totient is φ = 11028480.

The previous prime is 33085499. The next prime is 33085513. The reversal of 33085512 is 21558033.

It can be written as a sum of positive squares in only one way, i.e., 32558436 + 527076 = 5706^2 + 726^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×33085512² = 2189302208604288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33085513) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 229689 + ... + 229832.

Almost surely, 2^33085512 is an apocalyptic number.

It is an amenable number.

33085512 is an abundant number, since it is smaller than the sum of its proper divisors (56521278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33085512 is a wasteful number, since it uses less digits than its factorization.

33085512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459533 (or 459526 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 33085512 is about 5752.0006954103. Note that the first 3 decimals coincide. The cubic root of 33085512 is about 321.0302472444.

The spelling of 33085512 in words is "thirty-three million, eighty-five thousand, five hundred twelve".