6003649 has 2 divisors, whose sum is σ = 6003650. Its totient is φ = 6003648.

The previous prime is 6003643. The next prime is 6003659. The reversal of 6003649 is 9463006.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5017600 + 986049 = 2240^2 + 993^2 .

It is a cyclic number.

It is not a de Polignac number, because 6003649 - 2⁷ = 6003521 is a prime.

It is not a weakly prime, because it can be changed into another prime (6003643) 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, 3001824 + 3001825.

It is an arithmetic number, because the mean of its divisors is an integer number (3001825).

Almost surely, 2^6003649 is an apocalyptic number.

It is an amenable number.

6003649 is a deficient number, since it is larger than the sum of its proper divisors (1).

6003649 is an equidigital number, since it uses as much as digits as its factorization.

6003649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 6003649 is about 2450.2344785755. The cubic root of 6003649 is about 181.7488888905.

The spelling of 6003649 in words is "six million, three thousand, six hundred forty-nine".