51082525 has 12 divisors (see below), whose sum is σ = 68215252. Its totient is φ = 37722240.

The previous prime is 51082519. The next prime is 51082547. The reversal of 51082525 is 52528015.

It can be written as a sum of positive squares in 6 ways, for example, as 2916 + 51079609 = 54^2 + 7147^2 .

It is a de Polignac number, because none of the positive numbers 2^k-51082525 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51082493 and 51082502.

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, 78264 + ... + 78913.

Almost surely, 2^51082525 is an apocalyptic number.

It is an amenable number.

51082525 is a deficient number, since it is larger than the sum of its proper divisors (17132727).

51082525 is a wasteful number, since it uses less digits than its factorization.

51082525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157200 (or 157195 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 51082525 is about 7147.2039987676. The cubic root of 51082525 is about 371.0428940798.

The spelling of 51082525 in words is "fifty-one million, eighty-two thousand, five hundred twenty-five".