6540323 has 2 divisors, whose sum is σ = 6540324. Its totient is φ = 6540322.

The previous prime is 6540311. The next prime is 6540329. The reversal of 6540323 is 3230456.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6540323 - 2⁸ = 6540067 is a prime.

It is a plaindrome in base 12.

It is not a weakly prime, because it can be changed into another prime (6540329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3270161 + 3270162.

It is an arithmetic number, because the mean of its divisors is an integer number (3270162).

Almost surely, 2^6540323 is an apocalyptic number.

6540323 is a deficient number, since it is larger than the sum of its proper divisors (1).

6540323 is an equidigital number, since it uses as much as digits as its factorization.

6540323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 6540323 is about 2557.4055212265. The cubic root of 6540323 is about 187.0106755132.

Adding to 6540323 its reverse (3230456), we get a palindrome (9770779).

The spelling of 6540323 in words is "six million, five hundred forty thousand, three hundred twenty-three".