8315245117 has 4 divisors (see below), whose sum is σ = 8380719616. Its totient is φ = 8249770620.

The previous prime is 8315245111. The next prime is 8315245151. The reversal of 8315245117 is 7115425138.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8315245117 - 2⁷ = 8315244989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8315245111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32737059 + ... + 32737312.

It is an arithmetic number, because the mean of its divisors is an integer number (2095179904).

Almost surely, 2^8315245117 is an apocalyptic number.

It is an amenable number.

8315245117 is a deficient number, since it is larger than the sum of its proper divisors (65474499).

8315245117 is a wasteful number, since it uses less digits than its factorization.

8315245117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65474498.

The product of its digits is 33600, while the sum is 37.

The square root of 8315245117 is about 91187.9658562466. The cubic root of 8315245117 is about 2025.9327201049.

The spelling of 8315245117 in words is "eight billion, three hundred fifteen million, two hundred forty-five thousand, one hundred seventeen".