533128133 has 2 divisors, whose sum is σ = 533128134. Its totient is φ = 533128132.

The previous prime is 533128121. The next prime is 533128139. The reversal of 533128133 is 331821335.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 477072964 + 56055169 = 21842^2 + 7487^2 .

It is a cyclic number.

It is not a de Polignac number, because 533128133 - 2¹⁶ = 533062597 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 533128096 and 533128105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (533128139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266564066 + 266564067.

It is an arithmetic number, because the mean of its divisors is an integer number (266564067).

Almost surely, 2^533128133 is an apocalyptic number.

It is an amenable number.

533128133 is a deficient number, since it is larger than the sum of its proper divisors (1).

533128133 is an equidigital number, since it uses as much as digits as its factorization.

533128133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 29.

The square root of 533128133 is about 23089.5676226299. The cubic root of 533128133 is about 810.8562469118.

Adding to 533128133 its reverse (331821335), we get a palindrome (864949468).

The spelling of 533128133 in words is "five hundred thirty-three million, one hundred twenty-eight thousand, one hundred thirty-three".