51085301 has 2 divisors, whose sum is σ = 51085302. Its totient is φ = 51085300.

The previous prime is 51085297. The next prime is 51085313. The reversal of 51085301 is 10358015.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49984900 + 1100401 = 7070^2 + 1049^2 .

It is a cyclic number.

It is not a de Polignac number, because 51085301 - 2² = 51085297 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51085351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25542650 + 25542651.

It is an arithmetic number, because the mean of its divisors is an integer number (25542651).

Almost surely, 2^51085301 is an apocalyptic number.

It is an amenable number.

51085301 is a deficient number, since it is larger than the sum of its proper divisors (1).

51085301 is an equidigital number, since it uses as much as digits as its factorization.

51085301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 51085301 is about 7147.3981979459. The cubic root of 51085301 is about 371.0496152068.

The spelling of 51085301 in words is "fifty-one million, eighty-five thousand, three hundred one".