6491417 has 2 divisors, whose sum is σ = 6491418. Its totient is φ = 6491416.

The previous prime is 6491413. The next prime is 6491449. The reversal of 6491417 is 7141946.

It is an a-pointer prime, because the next prime (6491449) can be obtained adding 6491417 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3308761 + 3182656 = 1819^2 + 1784^2 .

It is a cyclic number.

It is not a de Polignac number, because 6491417 - 2² = 6491413 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6491411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3245708 + 3245709.

It is an arithmetic number, because the mean of its divisors is an integer number (3245709).

Almost surely, 2^6491417 is an apocalyptic number.

It is an amenable number.

6491417 is a deficient number, since it is larger than the sum of its proper divisors (1).

6491417 is an equidigital number, since it uses as much as digits as its factorization.

6491417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 32.

The square root of 6491417 is about 2547.8259359697. The cubic root of 6491417 is about 186.5433777013.

The spelling of 6491417 in words is "six million, four hundred ninety-one thousand, four hundred seventeen".