2521317524 has 12 divisors (see below), whose sum is σ = 4813424448. Its totient is φ = 1146053400.

The previous prime is 2521317503. The next prime is 2521317527. The reversal of 2521317524 is 4257131252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521317527) 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, 28651292 + ... + 28651379.

It is an arithmetic number, because the mean of its divisors is an integer number (401118704).

Almost surely, 2^2521317524 is an apocalyptic number.

It is an amenable number.

2521317524 is a deficient number, since it is larger than the sum of its proper divisors (2292106924).

2521317524 is a wasteful number, since it uses less digits than its factorization.

2521317524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57302686 (or 57302684 counting only the distinct ones).

The product of its digits is 16800, while the sum is 32.

The square root of 2521317524 is about 50212.7227303997. The cubic root of 2521317524 is about 1361.0555394026.

Adding to 2521317524 its reverse (4257131252), we get a palindrome (6778448776).

The spelling of 2521317524 in words is "two billion, five hundred twenty-one million, three hundred seventeen thousand, five hundred twenty-four".