2521427884 has 36 divisors (see below), whose sum is σ = 4552384984. Its totient is φ = 1221473088.

The previous prime is 2521427809. The next prime is 2521427897. The reversal of 2521427884 is 4887241252.

It is a self number, because there is not a number n which added to its sum of digits gives 2521427884.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7023297 + ... + 7023655.

Almost surely, 2^2521427884 is an apocalyptic number.

It is an amenable number.

2521427884 is a deficient number, since it is larger than the sum of its proper divisors (2030957100).

2521427884 is an equidigital number, since it uses as much as digits as its factorization.

2521427884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862 (or 501 counting only the distinct ones).

The product of its digits is 286720, while the sum is 43.

The square root of 2521427884 is about 50213.8216430496. The cubic root of 2521427884 is about 1361.0753972608.

The spelling of 2521427884 in words is "two billion, five hundred twenty-one million, four hundred twenty-seven thousand, eight hundred eighty-four".