6466417 has 2 divisors, whose sum is σ = 6466418. Its totient is φ = 6466416.

The previous prime is 6466399. The next prime is 6466429. The reversal of 6466417 is 7146646.

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., 6330256 + 136161 = 2516^2 + 369^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6466417 is a prime.

6466417 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (6466457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3233208 + 3233209.

It is an arithmetic number, because the mean of its divisors is an integer number (3233209).

Almost surely, 2^6466417 is an apocalyptic number.

It is an amenable number.

6466417 is a deficient number, since it is larger than the sum of its proper divisors (1).

6466417 is an equidigital number, since it uses as much as digits as its factorization.

6466417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 34.

The square root of 6466417 is about 2542.9150595331. The cubic root of 6466417 is about 186.3035952241.

The spelling of 6466417 in words is "six million, four hundred sixty-six thousand, four hundred seventeen".