425330417 has 2 divisors, whose sum is σ = 425330418. Its totient is φ = 425330416.

The previous prime is 425330303. The next prime is 425330419. The reversal of 425330417 is 714033524.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 409617121 + 15713296 = 20239^2 + 3964^2 .

It is a cyclic number.

It is not a de Polignac number, because 425330417 - 2²⁸ = 156894961 is a prime.

Together with 425330419, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 425330417.

It is not a weakly prime, because it can be changed into another prime (425330419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212665208 + 212665209.

It is an arithmetic number, because the mean of its divisors is an integer number (212665209).

Almost surely, 2^425330417 is an apocalyptic number.

It is an amenable number.

425330417 is a deficient number, since it is larger than the sum of its proper divisors (1).

425330417 is an equidigital number, since it uses as much as digits as its factorization.

425330417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 425330417 is about 20623.5403604716. The cubic root of 425330417 is about 752.0420893005.

The spelling of 425330417 in words is "four hundred twenty-five million, three hundred thirty thousand, four hundred seventeen".