6538487 has 2 divisors, whose sum is σ = 6538488. Its totient is φ = 6538486.

The previous prime is 6538459. The next prime is 6538507. The reversal of 6538487 is 7848356.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6538487 - 2⁶ = 6538423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6538447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3269243 + 3269244.

It is an arithmetic number, because the mean of its divisors is an integer number (3269244).

Almost surely, 2^6538487 is an apocalyptic number.

6538487 is a deficient number, since it is larger than the sum of its proper divisors (1).

6538487 is an equidigital number, since it uses as much as digits as its factorization.

6538487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 41.

The square root of 6538487 is about 2557.0465384893. The cubic root of 6538487 is about 186.9931746582.

The spelling of 6538487 in words is "six million, five hundred thirty-eight thousand, four hundred eighty-seven".