51370273 has 2 divisors, whose sum is σ = 51370274. Its totient is φ = 51370272.

The previous prime is 51370237. The next prime is 51370301. The reversal of 51370273 is 37207315.

51370273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (51370237) it forms an Ormiston pair, because they use the same digits, order apart.

It is an a-pointer prime, because the next prime (51370301) can be obtained adding 51370273 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44729344 + 6640929 = 6688^2 + 2577^2 .

It is a cyclic number.

It is not a de Polignac number, because 51370273 - 2²¹ = 49273121 is a prime.

It is not a weakly prime, because it can be changed into another prime (51370213) 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 as a sum of consecutive naturals, namely, 25685136 + 25685137.

It is an arithmetic number, because the mean of its divisors is an integer number (25685137).

Almost surely, 2^51370273 is an apocalyptic number.

It is an amenable number.

51370273 is a deficient number, since it is larger than the sum of its proper divisors (1).

51370273 is an equidigital number, since it uses as much as digits as its factorization.

51370273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4410, while the sum is 28.

The square root of 51370273 is about 7167.3058397141. The cubic root of 51370273 is about 371.7382852014.

Adding to 51370273 its reverse (37207315), we get a palindrome (88577588).

The spelling of 51370273 in words is "fifty-one million, three hundred seventy thousand, two hundred seventy-three".