51108425 has 12 divisors (see below), whose sum is σ = 63483660. Its totient is φ = 40816320.

The previous prime is 51108413. The next prime is 51108451. The reversal of 51108425 is 52480115.

51108425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 2930944 + 48177481 = 1712^2 + 6941^2 .

It is not a de Polignac number, because 51108425 - 2⁶ = 51108361 is a prime.

It is a super-2 number, since 2×51108425² = 5224142211961250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51108394 and 51108403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16931 + ... + 19719.

It is an arithmetic number, because the mean of its divisors is an integer number (5290305).

Almost surely, 2^51108425 is an apocalyptic number.

It is an amenable number.

51108425 is a deficient number, since it is larger than the sum of its proper divisors (12375235).

51108425 is a wasteful number, since it uses less digits than its factorization.

51108425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3532 (or 3527 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 51108425 is about 7149.0156665096. The cubic root of 51108425 is about 371.1055925417.

The spelling of 51108425 in words is "fifty-one million, one hundred eight thousand, four hundred twenty-five".