5171218250 has 64 divisors (see below), whose sum is σ = 10582116480. Its totient is φ = 1876608000.

The previous prime is 5171218243. The next prime is 5171218279. The reversal of 5171218250 is 528121715.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1585121 + ... + 1588379.

It is an arithmetic number, because the mean of its divisors is an integer number (165345570).

Almost surely, 2^5171218250 is an apocalyptic number.

5171218250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5171218250 is an abundant number, since it is smaller than the sum of its proper divisors (5410898230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5171218250 is a wasteful number, since it uses less digits than its factorization.

5171218250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3864 (or 3854 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 32.

The square root of 5171218250 is about 71911.1830663354. The cubic root of 5171218250 is about 1729.2759006493.

Adding to 5171218250 its reverse (528121715), we get a palindrome (5699339965).

The spelling of 5171218250 in words is "five billion, one hundred seventy-one million, two hundred eighteen thousand, two hundred fifty".