545988273 has 4 divisors (see below), whose sum is σ = 727984368. Its totient is φ = 363992180.

The previous prime is 545988259. The next prime is 545988281. The reversal of 545988273 is 372889545.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 545988273 - 2⁴ = 545988257 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (545988203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90998043 + ... + 90998048.

It is an arithmetic number, because the mean of its divisors is an integer number (181996092).

Almost surely, 2^545988273 is an apocalyptic number.

It is an amenable number.

545988273 is a deficient number, since it is larger than the sum of its proper divisors (181996095).

545988273 is a wasteful number, since it uses less digits than its factorization.

545988273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181996094.

The product of its digits is 2419200, while the sum is 51.

The square root of 545988273 is about 23366.3919551137. The cubic root of 545988273 is about 817.3243509691.

The spelling of 545988273 in words is "five hundred forty-five million, nine hundred eighty-eight thousand, two hundred seventy-three".