6499601 has 2 divisors, whose sum is σ = 6499602. Its totient is φ = 6499600.

The previous prime is 6499573. The next prime is 6499631. The reversal of 6499601 is 1069946.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6225025 + 274576 = 2495^2 + 524^2 .

It is a cyclic number.

It is not a de Polignac number, because 6499601 - 2¹⁰ = 6498577 is a prime.

It is not a weakly prime, because it can be changed into another prime (6499631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3249800 + 3249801.

It is an arithmetic number, because the mean of its divisors is an integer number (3249801).

Almost surely, 2^6499601 is an apocalyptic number.

It is an amenable number.

6499601 is a deficient number, since it is larger than the sum of its proper divisors (1).

6499601 is an equidigital number, since it uses as much as digits as its factorization.

6499601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 6499601 is about 2549.4315052576. The cubic root of 6499601 is about 186.6217391167.

The spelling of 6499601 in words is "six million, four hundred ninety-nine thousand, six hundred one".