2521415204 has 96 divisors (see below), whose sum is σ = 5863366656. Its totient is φ = 919543680.

The previous prime is 2521415191. The next prime is 2521415219. The reversal of 2521415204 is 4025141252.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 329162 + ... + 336734.

It is an arithmetic number, because the mean of its divisors is an integer number (61076736).

Almost surely, 2^2521415204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2521415204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2931683328).

2521415204 is an abundant number, since it is smaller than the sum of its proper divisors (3341951452).

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

2521415204 is a wasteful number, since it uses less digits than its factorization.

2521415204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7665 (or 7663 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 2521415204 is about 50213.6953828336. The cubic root of 2521415204 is about 1361.0731156879.

Adding to 2521415204 its reverse (4025141252), we get a palindrome (6546556456).

The spelling of 2521415204 in words is "two billion, five hundred twenty-one million, four hundred fifteen thousand, two hundred four".