2521362544 has 40 divisors (see below), whose sum is σ = 5102753760. Its totient is φ = 1205369088.

The previous prime is 2521362539. The next prime is 2521362589. The reversal of 2521362544 is 4452631252.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 21414 + ... + 74170.

It is an arithmetic number, because the mean of its divisors is an integer number (127568844).

Almost surely, 2^2521362544 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 2521362544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2551376880).

2521362544 is an abundant number, since it is smaller than the sum of its proper divisors (2581391216).

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

2521362544 is a wasteful number, since it uses less digits than its factorization.

2521362544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52897 (or 52891 counting only the distinct ones).

The product of its digits is 57600, while the sum is 34.

The square root of 2521362544 is about 50213.1710211574. The cubic root of 2521362544 is about 1361.0636402408.

Adding to 2521362544 its reverse (4452631252), we get a palindrome (6973993796).

The spelling of 2521362544 in words is "two billion, five hundred twenty-one million, three hundred sixty-two thousand, five hundred forty-four".