33001385 has 16 divisors (see below), whose sum is σ = 42081600. Its totient is φ = 24774336.

The previous prime is 33001361. The next prime is 33001393. The reversal of 33001385 is 58310033.

It is a cyclic number.

It is not a de Polignac number, because 33001385 - 2⁶ = 33001321 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 33001385.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 8762 + ... + 11948.

It is an arithmetic number, because the mean of its divisors is an integer number (2630100).

Almost surely, 2^33001385 is an apocalyptic number.

It is an amenable number.

33001385 is a deficient number, since it is larger than the sum of its proper divisors (9080215).

33001385 is a wasteful number, since it uses less digits than its factorization.

33001385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3320.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 33001385 is about 5744.6831940500. The cubic root of 33001385 is about 320.7579202449.

The spelling of 33001385 in words is "thirty-three million, one thousand, three hundred eighty-five".