33148133 has 2 divisors, whose sum is σ = 33148134. Its totient is φ = 33148132.

The previous prime is 33148123. The next prime is 33148151. The reversal of 33148133 is 33184133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29235649 + 3912484 = 5407^2 + 1978^2 .

It is a cyclic number.

It is not a de Polignac number, because 33148133 - 2¹⁶ = 33082597 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33148123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16574066 + 16574067.

It is an arithmetic number, because the mean of its divisors is an integer number (16574067).

Almost surely, 2^33148133 is an apocalyptic number.

It is an amenable number.

33148133 is a deficient number, since it is larger than the sum of its proper divisors (1).

33148133 is an equidigital number, since it uses as much as digits as its factorization.

33148133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 26.

The square root of 33148133 is about 5757.4415324865. The cubic root of 33148133 is about 321.2326577465.

The spelling of 33148133 in words is "thirty-three million, one hundred forty-eight thousand, one hundred thirty-three".