427417 has 2 divisors, whose sum is σ = 427418. Its totient is φ = 427416.

The previous prime is 427403. The next prime is 427421. The reversal of 427417 is 714724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 379456 + 47961 = 616^2 + 219^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-427417 is a prime.

427417 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 427391 and 427400.

It is not a weakly prime, because it can be changed into another prime (427447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213708 + 213709.

It is an arithmetic number, because the mean of its divisors is an integer number (213709).

2⁴²⁷⁴¹⁷ is an apocalyptic number.

It is an amenable number.

427417 is a deficient number, since it is larger than the sum of its proper divisors (1).

427417 is an equidigital number, since it uses as much as digits as its factorization.

427417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1568, while the sum is 25.

The square root of 427417 is about 653.7713667636. The cubic root of 427417 is about 75.3269871352.

The spelling of 427417 in words is "four hundred twenty-seven thousand, four hundred seventeen", and thus it is an iban number.