5317978625 has 8 divisors (see below), whose sum is σ = 6636837480. Its totient is φ = 4254382800.

The previous prime is 5317978619. The next prime is 5317978639. The reversal of 5317978625 is 5268797135.

It can be written as a sum of positive squares in 4 ways, for example, as 628605184 + 4689373441 = 25072^2 + 68479^2 .

It is not a de Polignac number, because 5317978625 - 2¹⁰ = 5317977601 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 21271790 + ... + 21272039.

It is an arithmetic number, because the mean of its divisors is an integer number (829604685).

Almost surely, 2^5317978625 is an apocalyptic number.

It is an amenable number.

5317978625 is a deficient number, since it is larger than the sum of its proper divisors (1318858855).

5317978625 is an equidigital number, since it uses as much as digits as its factorization.

5317978625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42543844 (or 42543834 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 53.

The square root of 5317978625 is about 72924.4720584249. The cubic root of 5317978625 is about 1745.4826211645.

The spelling of 5317978625 in words is "five billion, three hundred seventeen million, nine hundred seventy-eight thousand, six hundred twenty-five".