6494651 has 2 divisors, whose sum is σ = 6494652. Its totient is φ = 6494650.

The previous prime is 6494641. The next prime is 6494659. The reversal of 6494651 is 1564946.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6494651 - 2¹⁴ = 6478267 is a prime.

It is a super-2 number, since 2×6494651² = 84360983223602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6494659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3247325 + 3247326.

It is an arithmetic number, because the mean of its divisors is an integer number (3247326).

Almost surely, 2^6494651 is an apocalyptic number.

6494651 is a deficient number, since it is larger than the sum of its proper divisors (1).

6494651 is an equidigital number, since it uses as much as digits as its factorization.

6494651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 35.

The square root of 6494651 is about 2548.4605156839. The cubic root of 6494651 is about 186.5743509658.

The spelling of 6494651 in words is "six million, four hundred ninety-four thousand, six hundred fifty-one".