2521525068 has 72 divisors (see below), whose sum is σ = 6778135728. Its totient is φ = 787627008.

The previous prime is 2521525057. The next prime is 2521525079. The reversal of 2521525068 is 8605251252.

It is a happy number.

2521525068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2521525057) and next prime (2521525079).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133755 + ... + 151437.

It is an arithmetic number, because the mean of its divisors is an integer number (94140774).

Almost surely, 2^2521525068 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 2521525068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3389067864).

2521525068 is an abundant number, since it is smaller than the sum of its proper divisors (4256610660).

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

2521525068 is a wasteful number, since it uses less digits than its factorization.

2521525068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17943 (or 17938 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The square root of 2521525068 is about 50214.7893354139. The cubic root of 2521525068 is about 1361.0928837881.

The spelling of 2521525068 in words is "two billion, five hundred twenty-one million, five hundred twenty-five thousand, sixty-eight".