2516263543 has 8 divisors (see below), whose sum is σ = 2523753360. Its totient is φ = 2508784320.

The previous prime is 2516263531. The next prime is 2516263553. The reversal of 2516263543 is 3453626152.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2516263543 - 2⁹ = 2516263031 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 (2516263553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 782523 + ... + 785731.

It is an arithmetic number, because the mean of its divisors is an integer number (315469170).

Almost surely, 2^2516263543 is an apocalyptic number.

2516263543 is a deficient number, since it is larger than the sum of its proper divisors (7489817).

2516263543 is a wasteful number, since it uses less digits than its factorization.

2516263543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5297.

The product of its digits is 129600, while the sum is 37.

The square root of 2516263543 is about 50162.3717840375. The cubic root of 2516263543 is about 1360.1455191392.

Adding to 2516263543 its reverse (3453626152), we get a palindrome (5969889695).

The spelling of 2516263543 in words is "two billion, five hundred sixteen million, two hundred sixty-three thousand, five hundred forty-three".