6543002 has 4 divisors (see below), whose sum is σ = 9814506. Its totient is φ = 3271500.

The previous prime is 6543001. The next prime is 6543007. The reversal of 6543002 is 2003456.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5564881 + 978121 = 2359^2 + 989^2 .

It is not an unprimeable number, because it can be changed into a prime (6543001) 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, 1635749 + ... + 1635752.

Almost surely, 2^6543002 is an apocalyptic number.

6543002 is a deficient number, since it is larger than the sum of its proper divisors (3271504).

6543002 is a wasteful number, since it uses less digits than its factorization.

6543002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3271503.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 6543002 is about 2557.9292406163. The cubic root of 6543002 is about 187.0362060163.

Adding to 6543002 its reverse (2003456), we get a palindrome (8546458).

The spelling of 6543002 in words is "six million, five hundred forty-three thousand, two".