545166803 has 2 divisors, whose sum is σ = 545166804. Its totient is φ = 545166802.

The previous prime is 545166767. The next prime is 545166833. The reversal of 545166803 is 308661545.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 545166803 - 2¹⁰ = 545165779 is a prime.

It is not a weakly prime, because it can be changed into another prime (545166833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272583401 + 272583402.

It is an arithmetic number, because the mean of its divisors is an integer number (272583402).

Almost surely, 2^545166803 is an apocalyptic number.

545166803 is a deficient number, since it is larger than the sum of its proper divisors (1).

545166803 is an equidigital number, since it uses as much as digits as its factorization.

545166803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 545166803 is about 23348.8073142934. The cubic root of 545166803 is about 816.9142417702.

The spelling of 545166803 in words is "five hundred forty-five million, one hundred sixty-six thousand, eight hundred three".