545131133 has 2 divisors, whose sum is σ = 545131134. Its totient is φ = 545131132.

The previous prime is 545131123. The next prime is 545131199. The reversal of 545131133 is 331131545.

545131133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 544428889 + 702244 = 23333^2 + 838^2 .

It is a cyclic number.

It is not a de Polignac number, because 545131133 - 2¹⁴ = 545114749 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545131123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272565566 + 272565567.

It is an arithmetic number, because the mean of its divisors is an integer number (272565567).

Almost surely, 2^545131133 is an apocalyptic number.

It is an amenable number.

545131133 is a deficient number, since it is larger than the sum of its proper divisors (1).

545131133 is an equidigital number, since it uses as much as digits as its factorization.

545131133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2700, while the sum is 26.

The square root of 545131133 is about 23348.0434512188. The cubic root of 545131133 is about 816.8964246138.

Adding to 545131133 its reverse (331131545), we get a palindrome (876262678).

The spelling of 545131133 in words is "five hundred forty-five million, one hundred thirty-one thousand, one hundred thirty-three".