545271317 has 2 divisors, whose sum is σ = 545271318. Its totient is φ = 545271316.

The previous prime is 545271283. The next prime is 545271323. The reversal of 545271317 is 713172545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 545269201 + 2116 = 23351^2 + 46^2 .

It is a cyclic number.

It is not a de Polignac number, because 545271317 - 2⁸ = 545271061 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 (545271917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272635658 + 272635659.

It is an arithmetic number, because the mean of its divisors is an integer number (272635659).

Almost surely, 2^545271317 is an apocalyptic number.

It is an amenable number.

545271317 is a deficient number, since it is larger than the sum of its proper divisors (1).

545271317 is an equidigital number, since it uses as much as digits as its factorization.

545271317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29400, while the sum is 35.

The square root of 545271317 is about 23351.0453085081. The cubic root of 545271317 is about 816.9664420137.

The spelling of 545271317 in words is "five hundred forty-five million, two hundred seventy-one thousand, three hundred seventeen".