2005417 has 2 divisors, whose sum is σ = 2005418. Its totient is φ = 2005416.

The previous prime is 2005397. The next prime is 2005427. The reversal of 2005417 is 7145002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2005056 + 361 = 1416^2 + 19^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2005417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2005394 and 2005403.

It is not a weakly prime, because it can be changed into another prime (2005427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002708 + 1002709.

It is an arithmetic number, because the mean of its divisors is an integer number (1002709).

2^2005417 is an apocalyptic number.

It is an amenable number.

2005417 is a deficient number, since it is larger than the sum of its proper divisors (1).

2005417 is an equidigital number, since it uses as much as digits as its factorization.

2005417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 2005417 is about 1416.1274660143. The cubic root of 2005417 is about 126.1057523187.

The spelling of 2005417 in words is "two million, five thousand, four hundred seventeen".