51305064244297 has 2 divisors, whose sum is σ = 51305064244298. Its totient is φ = 51305064244296.

The previous prime is 51305064244277. The next prime is 51305064244339. The reversal of 51305064244297 is 79244246050315.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29708865941056 + 21596198303241 = 5450584^2 + 4647171^2 .

It is a cyclic number.

It is not a de Polignac number, because 51305064244297 - 2²⁷ = 51304930026569 is a prime.

It is a super-2 number, since 2×51305064244297² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51305064244277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25652532122148 + 25652532122149.

It is an arithmetic number, because the mean of its divisors is an integer number (25652532122149).

Almost surely, 2^{51305064244297} is an apocalyptic number.

It is an amenable number.

51305064244297 is a deficient number, since it is larger than the sum of its proper divisors (1).

51305064244297 is an equidigital number, since it uses as much as digits as its factorization.

51305064244297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7257600, while the sum is 52.

The spelling of 51305064244297 in words is "fifty-one trillion, three hundred five billion, sixty-four million, two hundred forty-four thousand, two hundred ninety-seven".