51343315025 has 6 divisors (see below), whose sum is σ = 63665710662. Its totient is φ = 41074652000.

The previous prime is 51343315021. The next prime is 51343315087. The reversal of 51343315025 is 52051334315.

It can be written as a sum of positive squares in 3 ways, for example, as 1210761616 + 50132553409 = 34796^2 + 223903^2 .

It is not a de Polignac number, because 51343315025 - 2² = 51343315021 is a prime.

It is a super-2 number, since 2×51343315025² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51343314982 and 51343315000.

It is not an unprimeable number, because it can be changed into a prime (51343315021) 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 5 ways as a sum of consecutive naturals, for example, 1026866276 + ... + 1026866325.

It is an arithmetic number, because the mean of its divisors is an integer number (10610951777).

Almost surely, 2^51343315025 is an apocalyptic number.

It is an amenable number.

51343315025 is a deficient number, since it is larger than the sum of its proper divisors (12322395637).

51343315025 is a wasteful number, since it uses less digits than its factorization.

51343315025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053732611 (or 2053732606 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 32.

The spelling of 51343315025 in words is "fifty-one billion, three hundred forty-three million, three hundred fifteen thousand, twenty-five".