425448685297 has 2 divisors, whose sum is σ = 425448685298. Its totient is φ = 425448685296.

The previous prime is 425448685279. The next prime is 425448685303. The reversal of 425448685297 is 792586844524.

Together with previous prime (425448685279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 425428758001 + 19927296 = 652249^2 + 4464^2 .

It is a cyclic number.

It is not a de Polignac number, because 425448685297 - 2³¹ = 423301201649 is a prime.

It is not a weakly prime, because it can be changed into another prime (425448685997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212724342648 + 212724342649.

It is an arithmetic number, because the mean of its divisors is an integer number (212724342649).

Almost surely, 2^425448685297 is an apocalyptic number.

It is an amenable number.

425448685297 is a deficient number, since it is larger than the sum of its proper divisors (1).

425448685297 is an equidigital number, since it uses as much as digits as its factorization.

425448685297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 154828800, while the sum is 64.

The spelling of 425448685297 in words is "four hundred twenty-five billion, four hundred forty-eight million, six hundred eighty-five thousand, two hundred ninety-seven".