5122521252 has 72 divisors (see below), whose sum is σ = 13149077760. Its totient is φ = 1681153920.

The previous prime is 5122521193. The next prime is 5122521281. The reversal of 5122521252 is 2521252215.

It is a happy number.

5122521252 is a `hidden beast` number, since 512 + 25 + 2 + 125 + 2 = 666.

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, 1888177 + ... + 1890887.

It is an arithmetic number, because the mean of its divisors is an integer number (182626080).

Almost surely, 2^5122521252 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 5122521252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6574538880).

5122521252 is an abundant number, since it is smaller than the sum of its proper divisors (8026556508).

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

5122521252 is a wasteful number, since it uses less digits than its factorization.

5122521252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3513 (or 3508 counting only the distinct ones).

The product of its digits is 4000, while the sum is 27.

The square root of 5122521252 is about 71571.7908955756. The cubic root of 5122521252 is about 1723.8306156404.

Adding to 5122521252 its reverse (2521252215), we get a palindrome (7643773467).

The spelling of 5122521252 in words is "five billion, one hundred twenty-two million, five hundred twenty-one thousand, two hundred fifty-two".