51058625 has 8 divisors (see below), whose sum is σ = 63721320. Its totient is φ = 40846800.

The previous prime is 51058619. The next prime is 51058639. The reversal of 51058625 is 52685015.

It can be written as a sum of positive squares in 4 ways, for example, as 7392961 + 43665664 = 2719^2 + 6608^2 .

It is not a de Polignac number, because 51058625 - 2⁶ = 51058561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51058591 and 51058600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204110 + ... + 204359.

It is an arithmetic number, because the mean of its divisors is an integer number (7965165).

Almost surely, 2^51058625 is an apocalyptic number.

It is an amenable number.

51058625 is a deficient number, since it is larger than the sum of its proper divisors (12662695).

51058625 is an equidigital number, since it uses as much as digits as its factorization.

51058625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408484 (or 408474 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 51058625 is about 7145.5318206555. The cubic root of 51058625 is about 370.9850183937.

The spelling of 51058625 in words is "fifty-one million, fifty-eight thousand, six hundred twenty-five".