2543360545 has 16 divisors (see below), whose sum is σ = 3337822080. Its totient is φ = 1845088000.

The previous prime is 2543360543. The next prime is 2543360549. The reversal of 2543360545 is 5450633452.

It is not a de Polignac number, because 2543360545 - 2¹ = 2543360543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2543360543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35605 + ... + 79714.

It is an arithmetic number, because the mean of its divisors is an integer number (208613880).

Almost surely, 2^2543360545 is an apocalyptic number.

It is an amenable number.

2543360545 is a deficient number, since it is larger than the sum of its proper divisors (794461535).

2543360545 is a wasteful number, since it uses less digits than its factorization.

2543360545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115736.

The product of its (nonzero) digits is 216000, while the sum is 37.

The square root of 2543360545 is about 50431.7414432617. The cubic root of 2543360545 is about 1365.0104513326.

Adding to 2543360545 its reverse (5450633452), we get a palindrome (7993993997).

The spelling of 2543360545 in words is "two billion, five hundred forty-three million, three hundred sixty thousand, five hundred forty-five".