545221163 has 2 divisors, whose sum is σ = 545221164. Its totient is φ = 545221162.

The previous prime is 545221153. The next prime is 545221213. The reversal of 545221163 is 361122545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 545221163 - 2¹⁰ = 545220139 is a prime.

It is a super-3 number, since 3×545221163³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (545221133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272610581 + 272610582.

It is an arithmetic number, because the mean of its divisors is an integer number (272610582).

Almost surely, 2^545221163 is an apocalyptic number.

545221163 is a deficient number, since it is larger than the sum of its proper divisors (1).

545221163 is an equidigital number, since it uses as much as digits as its factorization.

545221163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 29.

The square root of 545221163 is about 23349.9713704321. The cubic root of 545221163 is about 816.9413930824.

The spelling of 545221163 in words is "five hundred forty-five million, two hundred twenty-one thousand, one hundred sixty-three".