2397115247 has 4 divisors (see below), whose sum is σ = 2419107240. Its totient is φ = 2375123256.

The previous prime is 2397115241. The next prime is 2397115261. The reversal of 2397115247 is 7425117932.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2397115247 - 2²⁰ = 2396066671 is a prime.

It is a super-3 number, since 3×2397115247³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2397115241) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 10995833 + ... + 10996050.

It is an arithmetic number, because the mean of its divisors is an integer number (604776810).

Almost surely, 2^2397115247 is an apocalyptic number.

2397115247 is a deficient number, since it is larger than the sum of its proper divisors (21991993).

2397115247 is a wasteful number, since it uses less digits than its factorization.

2397115247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21991992.

The product of its digits is 105840, while the sum is 41.

The square root of 2397115247 is about 48960.3436160328. The cubic root of 2397115247 is about 1338.3292548970.

The spelling of 2397115247 in words is "two billion, three hundred ninety-seven million, one hundred fifteen thousand, two hundred forty-seven".