2521130544 has 60 divisors (see below), whose sum is σ = 7298974800. Its totient is φ = 811396992.

The previous prime is 2521130543. The next prime is 2521130569. The reversal of 2521130544 is 4450311252.

2521130544 is a `hidden beast` number, since 2 + 5 + 2 + 113 + 0 + 544 = 666.

It is not an unprimeable number, because it can be changed into a prime (2521130543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 297684 + ... + 306035.

It is an arithmetic number, because the mean of its divisors is an integer number (121649580).

Almost surely, 2^2521130544 is an apocalyptic number.

2521130544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2521130544 is an abundant number, since it is smaller than the sum of its proper divisors (4777844256).

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

2521130544 is a wasteful number, since it uses less digits than its factorization.

2521130544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603762 (or 603753 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 2521130544 is about 50210.8608171579. The cubic root of 2521130544 is about 1361.0218934412.

Adding to 2521130544 its reverse (4450311252), we get a palindrome (6971441796).

It can be divided in two parts, 25211 and 30544, that added together give a palindrome (55755).

The spelling of 2521130544 in words is "two billion, five hundred twenty-one million, one hundred thirty thousand, five hundred forty-four".