545221202717 has 2 divisors, whose sum is σ = 545221202718. Its totient is φ = 545221202716.

The previous prime is 545221202711. The next prime is 545221202719. The reversal of 545221202717 is 717202122545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 477942699556 + 67278503161 = 691334^2 + 259381^2 .

It is a cyclic number.

It is not a de Polignac number, because 545221202717 - 2⁶ = 545221202653 is a prime.

Together with 545221202719, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545221202711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272610601358 + 272610601359.

It is an arithmetic number, because the mean of its divisors is an integer number (272610601359).

Almost surely, 2^545221202717 is an apocalyptic number.

It is an amenable number.

545221202717 is a deficient number, since it is larger than the sum of its proper divisors (1).

545221202717 is an equidigital number, since it uses as much as digits as its factorization.

545221202717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 78400, while the sum is 38.

The spelling of 545221202717 in words is "five hundred forty-five billion, two hundred twenty-one million, two hundred two thousand, seven hundred seventeen".