2521488726 has 48 divisors (see below), whose sum is σ = 5702935680. Its totient is φ = 804228480.

The previous prime is 2521488721. The next prime is 2521488731. The reversal of 2521488726 is 6278841252.

2521488726 is a `hidden beast` number, since 2 + 521 + 48 + 87 + 2 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (2521488721) and next prime (2521488731).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521488721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24276 + ... + 75048.

It is an arithmetic number, because the mean of its divisors is an integer number (118811160).

Almost surely, 2^2521488726 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2521488726, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2851467840).

2521488726 is an abundant number, since it is smaller than the sum of its proper divisors (3181446954).

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

2521488726 is a wasteful number, since it uses less digits than its factorization.

2521488726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50901 (or 50898 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 2521488726 is about 50214.4274686071. The cubic root of 2521488726 is about 1361.0863447460.

The spelling of 2521488726 in words is "two billion, five hundred twenty-one million, four hundred eighty-eight thousand, seven hundred twenty-six".