545315287 has 32 divisors (see below), whose sum is σ = 628798464. Its totient is φ = 468518400.

The previous prime is 545315263. The next prime is 545315311. The reversal of 545315287 is 782513545.

It is an interprime number because it is at equal distance from previous prime (545315263) and next prime (545315311).

It is a cyclic number.

It is not a de Polignac number, because 545315287 - 2²³ = 536926679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545315237) 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 31 ways as a sum of consecutive naturals, for example, 3265278 + ... + 3265444.

It is an arithmetic number, because the mean of its divisors is an integer number (19649952).

Almost surely, 2^545315287 is an apocalyptic number.

545315287 is a deficient number, since it is larger than the sum of its proper divisors (83483177).

545315287 is a wasteful number, since it uses less digits than its factorization.

545315287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399.

The product of its digits is 168000, while the sum is 40.

The square root of 545315287 is about 23351.9867891364. The cubic root of 545315287 is about 816.9884011423.

The spelling of 545315287 in words is "five hundred forty-five million, three hundred fifteen thousand, two hundred eighty-seven".