2542103543 has 16 divisors (see below), whose sum is σ = 3039776256. Its totient is φ = 2078572320.

The previous prime is 2542103527. The next prime is 2542103549. The reversal of 2542103543 is 3453012452.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2542103543 - 2⁴ = 2542103527 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 (2542103549) 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, 38888 + ... + 81218.

It is an arithmetic number, because the mean of its divisors is an integer number (189986016).

Almost surely, 2^2542103543 is an apocalyptic number.

2542103543 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2542103543 is a deficient number, since it is larger than the sum of its proper divisors (497672713).

2542103543 is a wasteful number, since it uses less digits than its factorization.

2542103543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42734.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 2542103543 is about 50419.2774938317. The cubic root of 2542103543 is about 1364.7855384554.

Adding to 2542103543 its reverse (3453012452), we get a palindrome (5995115995).

The spelling of 2542103543 in words is "two billion, five hundred forty-two million, one hundred three thousand, five hundred forty-three".