545731277 has 12 divisors (see below), whose sum is σ = 683664156. Its totient is φ = 431786880.

The previous prime is 545731267. The next prime is 545731313. The reversal of 545731277 is 772137545.

It can be written as a sum of positive squares in 2 ways, for example, as 239971081 + 305760196 = 15491^2 + 17486^2 .

It is not a de Polignac number, because 545731277 - 2⁴ = 545731261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545731217) 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 11 ways as a sum of consecutive naturals, for example, 427724 + ... + 428997.

It is an arithmetic number, because the mean of its divisors is an integer number (56972013).

Almost surely, 2^545731277 is an apocalyptic number.

It is an amenable number.

545731277 is a deficient number, since it is larger than the sum of its proper divisors (137932879).

545731277 is a wasteful number, since it uses less digits than its factorization.

545731277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856748 (or 856741 counting only the distinct ones).

The product of its digits is 205800, while the sum is 41.

The square root of 545731277 is about 23360.8920420433. The cubic root of 545731277 is about 817.1960929920.

The spelling of 545731277 in words is "five hundred forty-five million, seven hundred thirty-one thousand, two hundred seventy-seven".