545730271 has 2 divisors, whose sum is σ = 545730272. Its totient is φ = 545730270.

The previous prime is 545730257. The next prime is 545730299. The reversal of 545730271 is 172037545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 545730271 - 2⁵ = 545730239 is a prime.

It is equal to p_28633066 and since 545730271 and 28633066 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545730221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272865135 + 272865136.

It is an arithmetic number, because the mean of its divisors is an integer number (272865136).

Almost surely, 2^545730271 is an apocalyptic number.

545730271 is a deficient number, since it is larger than the sum of its proper divisors (1).

545730271 is an equidigital number, since it uses as much as digits as its factorization.

545730271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 545730271 is about 23360.8705103213. The cubic root of 545730271 is about 817.1955908525.

The spelling of 545730271 in words is "five hundred forty-five million, seven hundred thirty thousand, two hundred seventy-one".