545085271 has 2 divisors, whose sum is σ = 545085272. Its totient is φ = 545085270.

The previous prime is 545085259. The next prime is 545085311. The reversal of 545085271 is 172580545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 545085271 - 2⁵ = 545085239 is a prime.

It is a super-2 number, since 2×545085271² = 594235905322286882, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 545085271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545085241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272542635 + 272542636.

It is an arithmetic number, because the mean of its divisors is an integer number (272542636).

Almost surely, 2^545085271 is an apocalyptic number.

545085271 is a deficient number, since it is larger than the sum of its proper divisors (1).

545085271 is an equidigital number, since it uses as much as digits as its factorization.

545085271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56000, while the sum is 37.

The square root of 545085271 is about 23347.0612925910. The cubic root of 545085271 is about 816.8735154138.

The spelling of 545085271 in words is "five hundred forty-five million, eighty-five thousand, two hundred seventy-one".