33332081 has 4 divisors (see below), whose sum is σ = 33344064. Its totient is φ = 33320100.

The previous prime is 33332069. The next prime is 33332111. The reversal of 33332081 is 18023333.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 33332081 - 2²² = 29137777 is a prime.

It is a super-2 number, since 2×33332081² = 2222055247581122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (33332011) 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, 596 + ... + 8186.

It is an arithmetic number, because the mean of its divisors is an integer number (8336016).

Almost surely, 2^33332081 is an apocalyptic number.

It is an amenable number.

33332081 is a deficient number, since it is larger than the sum of its proper divisors (11983).

33332081 is an equidigital number, since it uses as much as digits as its factorization.

33332081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11982.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 33332081 is about 5773.3942356295. The cubic root of 33332081 is about 321.8257644363.

The spelling of 33332081 in words is "thirty-three million, three hundred thirty-two thousand, eighty-one".