8508306242 has 4 divisors (see below), whose sum is σ = 12762459366. Its totient is φ = 4254153120.

The previous prime is 8508306227. The next prime is 8508306263. The reversal of 8508306242 is 2426038058.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4766659681 + 3741646561 = 69041^2 + 61169^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8508306196 and 8508306205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2127076559 + ... + 2127076562.

Almost surely, 2^8508306242 is an apocalyptic number.

8508306242 is a deficient number, since it is larger than the sum of its proper divisors (4254153124).

8508306242 is a wasteful number, since it uses less digits than its factorization.

8508306242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4254153123.

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 8508306242 is about 92240.4804952793. The cubic root of 8508306242 is about 2041.4921034600.

The spelling of 8508306242 in words is "eight billion, five hundred eight million, three hundred six thousand, two hundred forty-two".