33116047 has 4 divisors (see below), whose sum is σ = 33148960. Its totient is φ = 33083136.

The previous prime is 33116009. The next prime is 33116077. The reversal of 33116047 is 74061133.

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

It is a cyclic number.

It is not a de Polignac number, because 33116047 - 2¹⁵ = 33083279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33116077) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 14898 + ... + 16975.

It is an arithmetic number, because the mean of its divisors is an integer number (8287240).

Almost surely, 2^33116047 is an apocalyptic number.

33116047 is a deficient number, since it is larger than the sum of its proper divisors (32913).

33116047 is a wasteful number, since it uses less digits than its factorization.

33116047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32912.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 33116047 is about 5754.6543771108. The cubic root of 33116047 is about 321.1289777147.

The spelling of 33116047 in words is "thirty-three million, one hundred sixteen thousand, forty-seven".