51065057 has 2 divisors, whose sum is σ = 51065058. Its totient is φ = 51065056.

The previous prime is 51065051. The next prime is 51065071. The reversal of 51065057 is 75056015.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48427681 + 2637376 = 6959^2 + 1624^2 .

It is a cyclic number.

It is not a de Polignac number, because 51065057 - 2⁴ = 51065041 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51065051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25532528 + 25532529.

It is an arithmetic number, because the mean of its divisors is an integer number (25532529).

Almost surely, 2^51065057 is an apocalyptic number.

It is an amenable number.

51065057 is a deficient number, since it is larger than the sum of its proper divisors (1).

51065057 is an equidigital number, since it uses as much as digits as its factorization.

51065057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5250, while the sum is 29.

The square root of 51065057 is about 7145.9818779507. The cubic root of 51065057 is about 371.0005957518. Note that the first 3 decimals are identical.

The spelling of 51065057 in words is "fifty-one million, sixty-five thousand, fifty-seven".