33082321 has 4 divisors (see below), whose sum is σ = 33304500. Its totient is φ = 32860144.

The previous prime is 33082319. The next prime is 33082369. The reversal of 33082321 is 12328033.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12328033 = 257 ⋅47969.

It can be written as a sum of positive squares in 2 ways, for example, as 2446096 + 30636225 = 1564^2 + 5535^2 .

It is a cyclic number.

It is not a de Polignac number, because 33082321 - 2¹ = 33082319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33082292 and 33082301.

It is not an unprimeable number, because it can be changed into a prime (33082381) 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, 110866 + ... + 111163.

It is an arithmetic number, because the mean of its divisors is an integer number (8326125).

Almost surely, 2^33082321 is an apocalyptic number.

It is an amenable number.

33082321 is a deficient number, since it is larger than the sum of its proper divisors (222179).

33082321 is a wasteful number, since it uses less digits than its factorization.

33082321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222178.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 33082321 is about 5751.7233069750. The cubic root of 33082321 is about 321.0199261059.

The spelling of 33082321 in words is "thirty-three million, eighty-two thousand, three hundred twenty-one".