6294721 has 2 divisors, whose sum is σ = 6294722. Its totient is φ = 6294720.

The previous prime is 6294713. The next prime is 6294733. The reversal of 6294721 is 1274926.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6225025 + 69696 = 2495^2 + 264^2 .

It is a cyclic number.

It is not a de Polignac number, because 6294721 - 2³ = 6294713 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 6 + 2⁷ + 9³ + 4¹¹ + 7⁴ + 2²¹ + 1 .

It is not a weakly prime, because it can be changed into another prime (6294751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3147360 + 3147361.

It is an arithmetic number, because the mean of its divisors is an integer number (3147361).

Almost surely, 2^6294721 is an apocalyptic number.

It is an amenable number.

6294721 is a deficient number, since it is larger than the sum of its proper divisors (1).

6294721 is an equidigital number, since it uses as much as digits as its factorization.

6294721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 31.

The square root of 6294721 is about 2508.9282572445. The cubic root of 6294721 is about 184.6398740528.

The spelling of 6294721 in words is "six million, two hundred ninety-four thousand, seven hundred twenty-one".