2516403505 has 32 divisors (see below), whose sum is σ = 3786663168. Its totient is φ = 1559558400.

The previous prime is 2516403499. The next prime is 2516403509. The reversal of 2516403505 is 5053046152.

It is not a de Polignac number, because 2516403505 - 2²³ = 2508014897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2516403509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47715 + ... + 85495.

It is an arithmetic number, because the mean of its divisors is an integer number (118333224).

Almost surely, 2^2516403505 is an apocalyptic number.

It is an amenable number.

2516403505 is a deficient number, since it is larger than the sum of its proper divisors (1270259663).

2516403505 is a wasteful number, since it uses less digits than its factorization.

2516403505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37977.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 2516403505 is about 50163.7668541747. The cubic root of 2516403505 is about 1360.1707371068.

Adding to 2516403505 its reverse (5053046152), we get a palindrome (7569449657).

The spelling of 2516403505 in words is "two billion, five hundred sixteen million, four hundred three thousand, five hundred five".