51000204525 has 12 divisors (see below), whose sum is σ = 84320338272. Its totient is φ = 27200109040.

The previous prime is 51000204499. The next prime is 51000204533. The reversal of 51000204525 is 52540200015.

It is a happy number.

It is not a de Polignac number, because 51000204525 - 2¹⁵ = 51000171757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51000204495 and 51000204504.

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, 340001289 + ... + 340001438.

It is an arithmetic number, because the mean of its divisors is an integer number (7026694856).

Almost surely, 2^51000204525 is an apocalyptic number.

It is an amenable number.

51000204525 is a deficient number, since it is larger than the sum of its proper divisors (33320133747).

51000204525 is a wasteful number, since it uses less digits than its factorization.

51000204525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680002740 (or 680002735 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The spelling of 51000204525 in words is "fifty-one billion, two hundred four thousand, five hundred twenty-five".