2516542312 has 16 divisors (see below), whose sum is σ = 4795870500. Its totient is φ = 1237643520.

The previous prime is 2516542307. The next prime is 2516542313. The reversal of 2516542312 is 2132456152.

It can be written as a sum of positive squares in 2 ways, for example, as 2514621316 + 1920996 = 50146^2 + 1386^2 .

It is not an unprimeable number, because it can be changed into a prime (2516542313) 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 3 ways as a sum of consecutive naturals, for example, 2577937 + ... + 2578912.

Almost surely, 2^2516542312 is an apocalyptic number.

It is an amenable number.

2516542312 is a deficient number, since it is larger than the sum of its proper divisors (2279328188).

2516542312 is a wasteful number, since it uses less digits than its factorization.

2516542312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5156916 (or 5156912 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 2516542312 is about 50165.1503735412. The cubic root of 2516542312 is about 1360.1957460462.

Adding to 2516542312 its reverse (2132456152), we get a palindrome (4648998464).

The spelling of 2516542312 in words is "two billion, five hundred sixteen million, five hundred forty-two thousand, three hundred twelve".