52005172525 has 12 divisors (see below), whose sum is σ = 64519159572. Its totient is φ = 41583011840.

The previous prime is 52005172501. The next prime is 52005172537. The reversal of 52005172525 is 52527150025.

It can be written as a sum of positive squares in 6 ways, for example, as 2403646729 + 49601525796 = 49027^2 + 222714^2 .

It is a de Polignac number, because none of the positive numbers 2^k-52005172525 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 477844 + ... + 576493.

It is an arithmetic number, because the mean of its divisors is an integer number (5376596631).

Almost surely, 2^52005172525 is an apocalyptic number.

It is an amenable number.

52005172525 is a deficient number, since it is larger than the sum of its proper divisors (12513987047).

52005172525 is a wasteful number, since it uses less digits than its factorization.

52005172525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056320 (or 1056315 counting only the distinct ones).

The product of its (nonzero) digits is 35000, while the sum is 34.

The spelling of 52005172525 in words is "fifty-two billion, five million, one hundred seventy-two thousand, five hundred twenty-five".