8521505344 has 63 divisors (see below), whose sum is σ = 18604608841. Its totient is φ = 3869719040.

The previous prime is 8521505303. The next prime is 8521505351. The reversal of 8521505344 is 4435051258.

The square root of 8521505344 is 92312.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 7728519744 + 792985600 = 87912^2 + 28160^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8122932 + ... + 8123980.

Almost surely, 2^8521505344 is an apocalyptic number.

8521505344 is the 92312-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8521505344

8521505344 is an abundant number, since it is smaller than the sum of its proper divisors (10083103497).

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

8521505344 is an equidigital number, since it uses as much as digits as its factorization.

8521505344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2132 (or 1062 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 37.

The cubic root of 8521505344 is about 2042.5472269222.

The spelling of 8521505344 in words is "eight billion, five hundred twenty-one million, five hundred five thousand, three hundred forty-four".