8517368245 has 4 divisors (see below), whose sum is σ = 10220841900. Its totient is φ = 6813894592.

The previous prime is 8517368219. The next prime is 8517368273. The reversal of 8517368245 is 5428637158.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2942954001 + 5574414244 = 54249^2 + 74662^2 .

It is a cyclic number.

It is not a de Polignac number, because 8517368245 - 2⁷ = 8517368117 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 851736820 + ... + 851736829.

It is an arithmetic number, because the mean of its divisors is an integer number (2555210475).

Almost surely, 2^8517368245 is an apocalyptic number.

It is an amenable number.

8517368245 is a deficient number, since it is larger than the sum of its proper divisors (1703473655).

8517368245 is a wasteful number, since it uses less digits than its factorization.

8517368245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1703473654.

The product of its digits is 1612800, while the sum is 49.

The square root of 8517368245 is about 92289.5890390677. The cubic root of 8517368245 is about 2042.2166285278.

The spelling of 8517368245 in words is "eight billion, five hundred seventeen million, three hundred sixty-eight thousand, two hundred forty-five".