8518509250 has 16 divisors (see below), whose sum is σ = 15946649784. Its totient is φ = 3407403600.

The previous prime is 8518509199. The next prime is 8518509253. The reversal of 8518509250 is 529058158.

It can be written as a sum of positive squares in 4 ways, for example, as 5025817449 + 3492691801 = 70893^2 + 59099^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8518509197 and 8518509206.

It is not an unprimeable number, because it can be changed into a prime (8518509253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17036769 + ... + 17037268.

Almost surely, 2^8518509250 is an apocalyptic number.

8518509250 is a deficient number, since it is larger than the sum of its proper divisors (7428140534).

8518509250 is a wasteful number, since it uses less digits than its factorization.

8518509250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34074054 (or 34074044 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 43.

The square root of 8518509250 is about 92295.7704881432. The cubic root of 8518509250 is about 2042.3078177024.

The spelling of 8518509250 in words is "eight billion, five hundred eighteen million, five hundred nine thousand, two hundred fifty".