51082065 has 24 divisors (see below), whose sum is σ = 90604800. Its totient is φ = 26609184.

The previous prime is 51082039. The next prime is 51082069. The reversal of 51082065 is 56028015.

51082065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51082065 - 2⁵ = 51082033 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51082069) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 11265 + ... + 15134.

It is an arithmetic number, because the mean of its divisors is an integer number (3775200).

Almost surely, 2^51082065 is an apocalyptic number.

It is an amenable number.

51082065 is a deficient number, since it is larger than the sum of its proper divisors (39522735).

51082065 is a wasteful number, since it uses less digits than its factorization.

51082065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26453 (or 26450 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 51082065 is about 7147.1718182789. The cubic root of 51082065 is about 371.0417803249.

The spelling of 51082065 in words is "fifty-one million, eighty-two thousand, sixty-five".