6409201 has 2 divisors, whose sum is σ = 6409202. Its totient is φ = 6409200.

The previous prime is 6409189. The next prime is 6409217. The reversal of 6409201 is 1029046.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6250000 + 159201 = 2500^2 + 399^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6409201 is a prime.

It is not a weakly prime, because it can be changed into another prime (6400201) 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, 3204600 + 3204601.

It is an arithmetic number, because the mean of its divisors is an integer number (3204601).

Almost surely, 2^6409201 is an apocalyptic number.

It is an amenable number.

6409201 is a deficient number, since it is larger than the sum of its proper divisors (1).

6409201 is an equidigital number, since it uses as much as digits as its factorization.

6409201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 6409201 is about 2531.6399823040. The cubic root of 6409201 is about 185.7524841967.

The spelling of 6409201 in words is "six million, four hundred nine thousand, two hundred one".