2521427872 has 12 divisors (see below), whose sum is σ = 4964061186. Its totient is φ = 1260713920.

The previous prime is 2521427809. The next prime is 2521427897. The reversal of 2521427872 is 2787241252.

2521427872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2289048336 + 232379536 = 47844^2 + 15244^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39397279 + ... + 39397342.

Almost surely, 2^2521427872 is an apocalyptic number.

It is an amenable number.

2521427872 is a deficient number, since it is larger than the sum of its proper divisors (2442633314).

2521427872 is an equidigital number, since it uses as much as digits as its factorization.

2521427872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78794631 (or 78794623 counting only the distinct ones).

The product of its digits is 125440, while the sum is 40.

The square root of 2521427872 is about 50213.8215235606. The cubic root of 2521427872 is about 1361.0753951016.

The spelling of 2521427872 in words is "two billion, five hundred twenty-one million, four hundred twenty-seven thousand, eight hundred seventy-two".