6543297 has 12 divisors (see below), whose sum is σ = 9473620. Its totient is φ = 4351968.

The previous prime is 6543269. The next prime is 6543301. The reversal of 6543297 is 7923456.

It can be written as a sum of positive squares in 2 ways, for example, as 4704561 + 1838736 = 2169^2 + 1356^2 .

It is not a de Polignac number, because 6543297 - 2⁶ = 6543233 is a prime.

It is a Duffinian number.

6543297 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6543497) 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 11 ways as a sum of consecutive naturals, for example, 7023 + ... + 7899.

Almost surely, 2^6543297 is an apocalyptic number.

It is an amenable number.

6543297 is a deficient number, since it is larger than the sum of its proper divisors (2930323).

6543297 is a wasteful number, since it uses less digits than its factorization.

6543297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712 (or 1709 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 6543297 is about 2557.9869037976. The cubic root of 6543297 is about 187.0390168999.

The spelling of 6543297 in words is "six million, five hundred forty-three thousand, two hundred ninety-seven".