545364473 has 2 divisors, whose sum is σ = 545364474. Its totient is φ = 545364472.

The previous prime is 545364451. The next prime is 545364509. The reversal of 545364473 is 374463545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 384277609 + 161086864 = 19603^2 + 12692^2 .

It is a cyclic number.

It is not a de Polignac number, because 545364473 - 2⁶ = 545364409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 545364473.

It is not a weakly prime, because it can be changed into another prime (545364073) 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, 272682236 + 272682237.

It is an arithmetic number, because the mean of its divisors is an integer number (272682237).

Almost surely, 2^545364473 is an apocalyptic number.

It is an amenable number.

545364473 is a deficient number, since it is larger than the sum of its proper divisors (1).

545364473 is an equidigital number, since it uses as much as digits as its factorization.

545364473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 604800, while the sum is 41.

The square root of 545364473 is about 23353.0399091853. The cubic root of 545364473 is about 817.0129638032.

The spelling of 545364473 in words is "five hundred forty-five million, three hundred sixty-four thousand, four hundred seventy-three".