5220528612 has 96 divisors (see below), whose sum is σ = 13762586880. Its totient is φ = 1528988160.

The previous prime is 5220528611. The next prime is 5220528613. The reversal of 5220528612 is 2168250225.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5220528611) and next prime (5220528613).

It is not an unprimeable number, because it can be changed into a prime (5220528611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 313078 + ... + 329330.

It is an arithmetic number, because the mean of its divisors is an integer number (143360280).

Almost surely, 2^5220528612 is an apocalyptic number.

5220528612 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5220528612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6881293440).

5220528612 is an abundant number, since it is smaller than the sum of its proper divisors (8542058268).

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

5220528612 is a wasteful number, since it uses less digits than its factorization.

5220528612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16373 (or 16371 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 5220528612 is about 72253.2256165771. The cubic root of 5220528612 is about 1734.7550487321.

Adding to 5220528612 its reverse (2168250225), we get a palindrome (7388778837).

The spelling of 5220528612 in words is "five billion, two hundred twenty million, five hundred twenty-eight thousand, six hundred twelve".