6502649 has 2 divisors, whose sum is σ = 6502650. Its totient is φ = 6502648.

The previous prime is 6502637. The next prime is 6502663. The reversal of 6502649 is 9462056.

6502649 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5221225 + 1281424 = 2285^2 + 1132^2 .

It is a cyclic number.

It is not a de Polignac number, because 6502649 - 2⁴ = 6502633 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6502609) 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, 3251324 + 3251325.

It is an arithmetic number, because the mean of its divisors is an integer number (3251325).

Almost surely, 2^6502649 is an apocalyptic number.

It is an amenable number.

6502649 is a deficient number, since it is larger than the sum of its proper divisors (1).

6502649 is an equidigital number, since it uses as much as digits as its factorization.

6502649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 6502649 is about 2550.0292155189. The cubic root of 6502649 is about 186.6509067619.

The spelling of 6502649 in words is "six million, five hundred two thousand, six hundred forty-nine".