2516531632 has 20 divisors (see below), whose sum is σ = 4901049160. Its totient is φ = 1251744768.

The previous prime is 2516531623. The next prime is 2516531639. The reversal of 2516531632 is 2361356152.

It is not an unprimeable number, because it can be changed into a prime (2516531639) 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, 404382 + ... + 410557.

It is an arithmetic number, because the mean of its divisors is an integer number (245052458).

Almost surely, 2^2516531632 is an apocalyptic number.

It is an amenable number.

2516531632 is a deficient number, since it is larger than the sum of its proper divisors (2384517528).

2516531632 is a wasteful number, since it uses less digits than its factorization.

2516531632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815140 (or 815134 counting only the distinct ones).

The product of its digits is 32400, while the sum is 34.

The square root of 2516531632 is about 50165.0439250281. The cubic root of 2516531632 is about 1360.1938218569.

Adding to 2516531632 its reverse (2361356152), we get a palindrome (4877887784).

The spelling of 2516531632 in words is "two billion, five hundred sixteen million, five hundred thirty-one thousand, six hundred thirty-two".