2516513044 has 6 divisors (see below), whose sum is σ = 4403897834. Its totient is φ = 1258256520.

The previous prime is 2516513033. The next prime is 2516513089. The reversal of 2516513044 is 4403156152.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1669703044 + 846810000 = 40862^2 + 29100^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2516512997 and 2516513015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314564127 + ... + 314564134.

Almost surely, 2^2516513044 is an apocalyptic number.

It is an amenable number.

2516513044 is a deficient number, since it is larger than the sum of its proper divisors (1887384790).

2516513044 is a wasteful number, since it uses less digits than its factorization.

2516513044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629128265 (or 629128263 counting only the distinct ones).

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

The square root of 2516513044 is about 50164.8586562346. The cubic root of 2516513044 is about 1360.1904728898.

Adding to 2516513044 its reverse (4403156152), we get a palindrome (6919669196).

The spelling of 2516513044 in words is "two billion, five hundred sixteen million, five hundred thirteen thousand, forty-four".