6543201 has 48 divisors (see below), whose sum is σ = 11325440. Its totient is φ = 3278880.

The previous prime is 6543193. The next prime is 6543203. The reversal of 6543201 is 1023456.

It is a happy number.

6543201 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6543201 - 2³ = 6543193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6543203) 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 in 47 ways as a sum of consecutive naturals, for example, 211056 + ... + 211086.

Almost surely, 2^6543201 is an apocalyptic number.

It is an amenable number.

6543201 is a deficient number, since it is larger than the sum of its proper divisors (4782239).

6543201 is a wasteful number, since it uses less digits than its factorization.

6543201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 6543201 is about 2557.9681389728. The cubic root of 6543201 is about 187.0381021810.

Adding to 6543201 its reverse (1023456), we get a palindrome (7566657).

The spelling of 6543201 in words is "six million, five hundred forty-three thousand, two hundred one".