6540827 has 2 divisors, whose sum is σ = 6540828. Its totient is φ = 6540826.

The previous prime is 6540739. The next prime is 6540829. The reversal of 6540827 is 7280456.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6540827 - 2¹⁶ = 6475291 is a prime.

Together with 6540829, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6540793 and 6540802.

It is not a weakly prime, because it can be changed into another prime (6540829) 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, 3270413 + 3270414.

It is an arithmetic number, because the mean of its divisors is an integer number (3270414).

Almost surely, 2^6540827 is an apocalyptic number.

6540827 is a deficient number, since it is larger than the sum of its proper divisors (1).

6540827 is an equidigital number, since it uses as much as digits as its factorization.

6540827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 6540827 is about 2557.5040566928. The cubic root of 6540827 is about 187.0154790965.

The spelling of 6540827 in words is "six million, five hundred forty thousand, eight hundred twenty-seven".