6545887 has 2 divisors, whose sum is σ = 6545888. Its totient is φ = 6545886.

The previous prime is 6545881. The next prime is 6545893. The reversal of 6545887 is 7885456.

6545887 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (6545881) and next prime (6545893).

It is a cyclic number.

It is not a de Polignac number, because 6545887 - 2³ = 6545879 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6545881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3272943 + 3272944.

It is an arithmetic number, because the mean of its divisors is an integer number (3272944).

Almost surely, 2^6545887 is an apocalyptic number.

6545887 is a deficient number, since it is larger than the sum of its proper divisors (1).

6545887 is an equidigital number, since it uses as much as digits as its factorization.

6545887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 268800, while the sum is 43.

The square root of 6545887 is about 2558.4931111887. The cubic root of 6545887 is about 187.0636918791.

The spelling of 6545887 in words is "six million, five hundred forty-five thousand, eight hundred eighty-seven".