33083021 has 2 divisors, whose sum is σ = 33083022. Its totient is φ = 33083020.

The previous prime is 33082981. The next prime is 33083101. The reversal of 33083021 is 12038033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30680521 + 2402500 = 5539^2 + 1550^2 .

It is a cyclic number.

It is not a de Polignac number, because 33083021 - 2¹⁴ = 33066637 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 33082984 and 33083002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33083221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16541510 + 16541511.

It is an arithmetic number, because the mean of its divisors is an integer number (16541511).

Almost surely, 2^33083021 is an apocalyptic number.

It is an amenable number.

33083021 is a deficient number, since it is larger than the sum of its proper divisors (1).

33083021 is an equidigital number, since it uses as much as digits as its factorization.

33083021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 33083021 is about 5751.7841579809. The cubic root of 33083021 is about 321.0221902796.

The spelling of 33083021 in words is "thirty-three million, eighty-three thousand, twenty-one".