51343530825 has 24 divisors (see below), whose sum is σ = 84968870176. Its totient is φ = 27357120000.

The previous prime is 51343530817. The next prime is 51343530827. The reversal of 51343530825 is 52803534315.

It is not a de Polignac number, because 51343530825 - 2³ = 51343530817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51343530827) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 246856 + ... + 404505.

Almost surely, 2^51343530825 is an apocalyptic number.

It is an amenable number.

51343530825 is a deficient number, since it is larger than the sum of its proper divisors (33625339351).

51343530825 is a wasteful number, since it uses less digits than its factorization.

51343530825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652425 (or 652420 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 51343530825 in words is "fifty-one billion, three hundred forty-three million, five hundred thirty thousand, eight hundred twenty-five".