1307725222273 has 2 divisors, whose sum is σ = 1307725222274. Its totient is φ = 1307725222272.

The previous prime is 1307725222261. The next prime is 1307725222327. The reversal of 1307725222273 is 3722225277031.

Together with next prime (1307725222327) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1016402716224 + 291322506049 = 1008168^2 + 539743^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1307725222273 is a prime.

It is not a weakly prime, because it can be changed into another prime (1307725222213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 653862611136 + 653862611137.

It is an arithmetic number, because the mean of its divisors is an integer number (653862611137).

Almost surely, 2^{1307725222273} is an apocalyptic number.

It is an amenable number.

1307725222273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1307725222273 is an equidigital number, since it uses as much as digits as its factorization.

1307725222273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 493920, while the sum is 43.

The spelling of 1307725222273 in words is "one trillion, three hundred seven billion, seven hundred twenty-five million, two hundred twenty-two thousand, two hundred seventy-three".