2516513542 has 8 divisors (see below), whose sum is σ = 3788109576. Its totient is φ = 1253810352.

The previous prime is 2516513521. The next prime is 2516513557. The reversal of 2516513542 is 2453156152.

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

It is a junction number, because it is equal to n+sod(n) for n = 2516513498 and 2516513507.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2222503 + ... + 2223634.

It is an arithmetic number, because the mean of its divisors is an integer number (473513697).

Almost surely, 2^2516513542 is an apocalyptic number.

2516513542 is a deficient number, since it is larger than the sum of its proper divisors (1271596034).

2516513542 is a wasteful number, since it uses less digits than its factorization.

2516513542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4446422.

The product of its digits is 36000, while the sum is 34.

The square root of 2516513542 is about 50164.8636198684. The cubic root of 2516513542 is about 1360.1905626138.

Adding to 2516513542 its reverse (2453156152), we get a palindrome (4969669694).

The spelling of 2516513542 in words is "two billion, five hundred sixteen million, five hundred thirteen thousand, five hundred forty-two".