33056641 has 4 divisors (see below), whose sum is σ = 33068884. Its totient is φ = 33044400.

The previous prime is 33056629. The next prime is 33056669. The reversal of 33056641 is 14665033.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 14665033 = 17 ⋅862649.

It can be written as a sum of positive squares in 2 ways, for example, as 16573041 + 16483600 = 4071^2 + 4060^2 .

It is a cyclic number.

It is not a de Polignac number, because 33056641 - 2⁵ = 33056609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33056141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90 + ... + 8131.

It is an arithmetic number, because the mean of its divisors is an integer number (8267221).

Almost surely, 2^33056641 is an apocalyptic number.

It is an amenable number.

33056641 is a deficient number, since it is larger than the sum of its proper divisors (12243).

33056641 is an equidigital number, since it uses as much as digits as its factorization.

33056641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12242.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 33056641 is about 5749.4904991660. The cubic root of 33056641 is about 320.9368411888.

The spelling of 33056641 in words is "thirty-three million, fifty-six thousand, six hundred forty-one".