2516451015 has 32 divisors (see below), whose sum is σ = 4338625536. Its totient is φ = 1238129280.

The previous prime is 2516450983. The next prime is 2516451037. The reversal of 2516451015 is 5101546152.

It is not a de Polignac number, because 2516451015 - 2⁵ = 2516450983 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 478450 + ... + 483680.

It is an arithmetic number, because the mean of its divisors is an integer number (135582048).

Almost surely, 2^2516451015 is an apocalyptic number.

2516451015 is a deficient number, since it is larger than the sum of its proper divisors (1822174521).

2516451015 is a wasteful number, since it uses less digits than its factorization.

2516451015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7719.

The product of its (nonzero) digits is 6000, while the sum is 30.

The square root of 2516451015 is about 50164.2404009071. The cubic root of 2516451015 is about 1360.1792971152.

Adding to 2516451015 its reverse (5101546152), we get a palindrome (7617997167).

The spelling of 2516451015 in words is "two billion, five hundred sixteen million, four hundred fifty-one thousand, fifteen".