8518560625 has 10 divisors (see below), whose sum is σ = 10644794138. Its totient is φ = 6814848000.

The previous prime is 8518560619. The next prime is 8518560629. The reversal of 8518560625 is 5260658158.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 5412839184 + 3105721441 = 73572^2 + 55729^2 .

It is not a de Polignac number, because 8518560625 - 2⁵ = 8518560593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8518560629) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6814224 + ... + 6815473.

Almost surely, 2^8518560625 is an apocalyptic number.

It is an amenable number.

8518560625 is a deficient number, since it is larger than the sum of its proper divisors (2126233513).

8518560625 is an equidigital number, since it uses as much as digits as its factorization.

8518560625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13629717 (or 13629702 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 46.

The square root of 8518560625 is about 92296.0488049191. The cubic root of 8518560625 is about 2042.3119234033.

It can be divided in two parts, 851 and 8560625, that added together give a square (8561476 = 2926²).

The spelling of 8518560625 in words is "eight billion, five hundred eighteen million, five hundred sixty thousand, six hundred twenty-five".