33650081 has 4 divisors (see below), whose sum is σ = 35113152. Its totient is φ = 32187012.

The previous prime is 33650059. The next prime is 33650143. The reversal of 33650081 is 18005633.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33650081 is a prime.

It is a super-2 number, since 2×33650081² = 2264655902613122, 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 33650081.

It is not an unprimeable number, because it can be changed into a prime (33650051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 731501 + ... + 731546.

It is an arithmetic number, because the mean of its divisors is an integer number (8778288).

Almost surely, 2^33650081 is an apocalyptic number.

It is an amenable number.

33650081 is a deficient number, since it is larger than the sum of its proper divisors (1463071).

33650081 is a wasteful number, since it uses less digits than its factorization.

33650081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463070.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 33650081 is about 5800.8689866261. The cubic root of 33650081 is about 322.8459712840.

The spelling of 33650081 in words is "thirty-three million, six hundred fifty thousand, eighty-one".