5183118257 has 4 divisors (see below), whose sum is σ = 5183262720. Its totient is φ = 5182973796.

The previous prime is 5183118247. The next prime is 5183118263. The reversal of 5183118257 is 7528113815.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5183118257 - 2⁸ = 5183118001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5183118247) 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, 27344 + ... + 105422.

It is an arithmetic number, because the mean of its divisors is an integer number (1295815680).

Almost surely, 2^5183118257 is an apocalyptic number.

It is an amenable number.

5183118257 is a deficient number, since it is larger than the sum of its proper divisors (144463).

5183118257 is an equidigital number, since it uses as much as digits as its factorization.

5183118257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144462.

The product of its digits is 67200, while the sum is 41.

The square root of 5183118257 is about 71993.8765243267. The cubic root of 5183118257 is about 1730.6013543095.

The spelling of 5183118257 in words is "five billion, one hundred eighty-three million, one hundred eighteen thousand, two hundred fifty-seven".