425417 has 2 divisors, whose sum is σ = 425418. Its totient is φ = 425416.

The previous prime is 425393. The next prime is 425419. The reversal of 425417 is 714524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 309136 + 116281 = 556^2 + 341^2 .

It is a cyclic number.

It is not a de Polignac number, because 425417 - 2¹⁴ = 409033 is a prime.

Together with 425419, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 425392 and 425401.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 425417.

It is not a weakly prime, because it can be changed into another prime (425419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212708 + 212709.

It is an arithmetic number, because the mean of its divisors is an integer number (212709).

2⁴²⁵⁴¹⁷ is an apocalyptic number.

It is an amenable number.

425417 is a deficient number, since it is larger than the sum of its proper divisors (1).

425417 is an equidigital number, since it uses as much as digits as its factorization.

425417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1120, while the sum is 23.

The square root of 425417 is about 652.2399865080. The cubic root of 425417 is about 75.2093116016.

The spelling of 425417 in words is "four hundred twenty-five thousand, four hundred seventeen".