2531216576 has 56 divisors (see below), whose sum is σ = 5745272736. Its totient is φ = 1083893760.

The previous prime is 2531216551. The next prime is 2531216579. The reversal of 2531216576 is 6756121352.

It is a happy number.

2531216576 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (56).

It is not an unprimeable number, because it can be changed into a prime (2531216579) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1020650 + ... + 1023126.

It is an arithmetic number, because the mean of its divisors is an integer number (102594156).

Almost surely, 2^2531216576 is an apocalyptic number.

It is an amenable number.

2531216576 is an abundant number, since it is smaller than the sum of its proper divisors (3214056160).

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

2531216576 is a wasteful number, since it uses less digits than its factorization.

2531216576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4777 (or 4767 counting only the distinct ones).

The product of its digits is 75600, while the sum is 38.

The square root of 2531216576 is about 50311.1973222661. The cubic root of 2531216576 is about 1362.8344460359.

The spelling of 2531216576 in words is "two billion, five hundred thirty-one million, two hundred sixteen thousand, five hundred seventy-six".