8255417 has 2 divisors, whose sum is σ = 8255418. Its totient is φ = 8255416.

The previous prime is 8255411. The next prime is 8255419. The reversal of 8255417 is 7145528.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8042896 + 212521 = 2836^2 + 461^2 .

It is a cyclic number.

It is not a de Polignac number, because 8255417 - 2¹⁸ = 7993273 is a prime.

Together with 8255419, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8255411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4127708 + 4127709.

It is an arithmetic number, because the mean of its divisors is an integer number (4127709).

Almost surely, 2^8255417 is an apocalyptic number.

It is an amenable number.

8255417 is a deficient number, since it is larger than the sum of its proper divisors (1).

8255417 is an equidigital number, since it uses as much as digits as its factorization.

8255417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11200, while the sum is 32.

The square root of 8255417 is about 2873.2241471907. The cubic root of 8255417 is about 202.1062164000.

The spelling of 8255417 in words is "eight million, two hundred fifty-five thousand, four hundred seventeen".