425312317 has 2 divisors, whose sum is σ = 425312318. Its totient is φ = 425312316.

The previous prime is 425312309. The next prime is 425312323. The reversal of 425312317 is 713213524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 349465636 + 75846681 = 18694^2 + 8709^2 .

It is a cyclic number.

It is not a de Polignac number, because 425312317 - 2³ = 425312309 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425312417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212656158 + 212656159.

It is an arithmetic number, because the mean of its divisors is an integer number (212656159).

Almost surely, 2^425312317 is an apocalyptic number.

It is an amenable number.

425312317 is a deficient number, since it is larger than the sum of its proper divisors (1).

425312317 is an equidigital number, since it uses as much as digits as its factorization.

425312317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 28.

The square root of 425312317 is about 20623.1015368688. The cubic root of 425312317 is about 752.0314213944.

The spelling of 425312317 in words is "four hundred twenty-five million, three hundred twelve thousand, three hundred seventeen".