8315245121 has 8 divisors (see below), whose sum is σ = 8331431040. Its totient is φ = 8299074112.

The previous prime is 8315245111. The next prime is 8315245151. The reversal of 8315245121 is 1215425138.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8315245121 is a prime.

It is a Duffinian number.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 2293316 + ... + 2296938.

It is an arithmetic number, because the mean of its divisors is an integer number (1041428880).

Almost surely, 2^8315245121 is an apocalyptic number.

It is an amenable number.

8315245121 is a deficient number, since it is larger than the sum of its proper divisors (16185919).

8315245121 is a wasteful number, since it uses less digits than its factorization.

8315245121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7455.

The product of its digits is 9600, while the sum is 32.

The square root of 8315245121 is about 91187.9658781793. The cubic root of 8315245121 is about 2025.9327204297.

The spelling of 8315245121 in words is "eight billion, three hundred fifteen million, two hundred forty-five thousand, one hundred twenty-one".