6494281 has 2 divisors, whose sum is σ = 6494282. Its totient is φ = 6494280.

The previous prime is 6494273. The next prime is 6494287. The reversal of 6494281 is 1824946.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6330256 + 164025 = 2516^2 + 405^2 .

It is a cyclic number.

It is not a de Polignac number, because 6494281 - 2³ = 6494273 is a prime.

It is a super-2 number, since 2×6494281² = 84351371413922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6494287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3247140 + 3247141.

It is an arithmetic number, because the mean of its divisors is an integer number (3247141).

Almost surely, 2^6494281 is an apocalyptic number.

It is an amenable number.

6494281 is a deficient number, since it is larger than the sum of its proper divisors (1).

6494281 is an equidigital number, since it uses as much as digits as its factorization.

6494281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 34.

The square root of 6494281 is about 2548.3879218047. The cubic root of 6494281 is about 186.5708078541.

The spelling of 6494281 in words is "six million, four hundred ninety-four thousand, two hundred eighty-one".