2515042543 has 16 divisors (see below), whose sum is σ = 2883898080. Its totient is φ = 2172773376.

The previous prime is 2515042507. The next prime is 2515042591. The reversal of 2515042543 is 3452405152.

2515042543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2515042543 - 2⁹ = 2515042031 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 (2515042643) 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, 7771 + ... + 71347.

It is an arithmetic number, because the mean of its divisors is an integer number (180243630).

Almost surely, 2^2515042543 is an apocalyptic number.

2515042543 is a deficient number, since it is larger than the sum of its proper divisors (368855537).

2515042543 is a wasteful number, since it uses less digits than its factorization.

2515042543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63786.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 2515042543 is about 50150.1998301103. The cubic root of 2515042543 is about 1359.9254830495.

Adding to 2515042543 its reverse (3452405152), we get a palindrome (5967447695).

The spelling of 2515042543 in words is "two billion, five hundred fifteen million, forty-two thousand, five hundred forty-three".