33164233 has 2 divisors, whose sum is σ = 33164234. Its totient is φ = 33164232.

The previous prime is 33164221. The next prime is 33164237. The reversal of 33164233 is 33246133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32626944 + 537289 = 5712^2 + 733^2 .

It is an emirp because it is prime and its reverse (33246133) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33164233 - 2²¹ = 31067081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 33164198 and 33164207.

It is not a weakly prime, because it can be changed into another prime (33164237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16582116 + 16582117.

It is an arithmetic number, because the mean of its divisors is an integer number (16582117).

Almost surely, 2^33164233 is an apocalyptic number.

It is an amenable number.

33164233 is a deficient number, since it is larger than the sum of its proper divisors (1).

33164233 is an equidigital number, since it uses as much as digits as its factorization.

33164233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 25.

The square root of 33164233 is about 5758.8395532433. The cubic root of 33164233 is about 321.2846567404.

The spelling of 33164233 in words is "thirty-three million, one hundred sixty-four thousand, two hundred thirty-three".