33082081 has 4 divisors (see below), whose sum is σ = 33125652. Its totient is φ = 33038512.

The previous prime is 33082061. The next prime is 33082087. The reversal of 33082081 is 18028033.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17715681 + 15366400 = 4209^2 + 3920^2 .

It is a cyclic number.

It is not a de Polignac number, because 33082081 - 2²¹ = 30984929 is a prime.

It is a super-2 number, since 2×33082081² = 2188848166581122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33082087) 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, 20626 + ... + 22171.

It is an arithmetic number, because the mean of its divisors is an integer number (8281413).

Almost surely, 2^33082081 is an apocalyptic number.

It is an amenable number.

33082081 is a deficient number, since it is larger than the sum of its proper divisors (43571).

33082081 is an equidigital number, since it uses as much as digits as its factorization.

33082081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43570.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 33082081 is about 5751.7024436248. The cubic root of 33082081 is about 321.0191498104.

The spelling of 33082081 in words is "thirty-three million, eighty-two thousand, eighty-one".