51525003323525 has 12 divisors (see below), whose sum is σ = 63891414231300. Its totient is φ = 41219738071680.

The previous prime is 51525003323513. The next prime is 51525003323539. The reversal of 51525003323525 is 52532330052515.

It can be written as a sum of positive squares in 6 ways, for example, as 1278894097924 + 50246109225601 = 1130882^2 + 7088449^2 .

It is a de Polignac number, because none of the positive numbers 2^k-51525003323525 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2594120 + ... + 10477569.

It is an arithmetic number, because the mean of its divisors is an integer number (5324284519275).

Almost surely, 2^{51525003323525} is an apocalyptic number.

It is an amenable number.

51525003323525 is a deficient number, since it is larger than the sum of its proper divisors (12366410907775).

51525003323525 is a wasteful number, since it uses less digits than its factorization.

51525003323525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13229368 (or 13229363 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 41.

The spelling of 51525003323525 in words is "fifty-one trillion, five hundred twenty-five billion, three million, three hundred twenty-three thousand, five hundred twenty-five".