2531616432 has 20 divisors (see below), whose sum is σ = 6540009240. Its totient is φ = 843872128.

The previous prime is 2531616431. The next prime is 2531616467. The reversal of 2531616432 is 2346161352.

2531616432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2531616393 and 2531616402.

It is not an unprimeable number, because it can be changed into a prime (2531616431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26370957 + ... + 26371052.

It is an arithmetic number, because the mean of its divisors is an integer number (327000462).

Almost surely, 2^2531616432 is an apocalyptic number.

It is an amenable number.

2531616432 is an abundant number, since it is smaller than the sum of its proper divisors (4008392808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2531616432 is a wasteful number, since it uses less digits than its factorization.

2531616432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52742020 (or 52742014 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 2531616432 is about 50315.1709924551. The cubic root of 2531616432 is about 1362.9062045259.

Adding to 2531616432 its reverse (2346161352), we get a palindrome (4877777784).

The spelling of 2531616432 in words is "two billion, five hundred thirty-one million, six hundred sixteen thousand, four hundred thirty-two".