545323133 has 2 divisors, whose sum is σ = 545323134. Its totient is φ = 545323132.

The previous prime is 545323111. The next prime is 545323147. The reversal of 545323133 is 331323545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 436057924 + 109265209 = 20882^2 + 10453^2 .

It is a cyclic number.

It is not a de Polignac number, because 545323133 - 2⁶ = 545323069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 545323096 and 545323105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545323153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272661566 + 272661567.

It is an arithmetic number, because the mean of its divisors is an integer number (272661567).

Almost surely, 2^545323133 is an apocalyptic number.

It is an amenable number.

545323133 is a deficient number, since it is larger than the sum of its proper divisors (1).

545323133 is an equidigital number, since it uses as much as digits as its factorization.

545323133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16200, while the sum is 29.

The square root of 545323133 is about 23352.1547828032. The cubic root of 545323133 is about 816.9923194017.

Adding to 545323133 its reverse (331323545), we get a palindrome (876646678).

The spelling of 545323133 in words is "five hundred forty-five million, three hundred twenty-three thousand, one hundred thirty-three".