6487538 has 4 divisors (see below), whose sum is σ = 9731310. Its totient is φ = 3243768.

The previous prime is 6487519. The next prime is 6487549. The reversal of 6487538 is 8357846.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5793649 + 693889 = 2407^2 + 833^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6487495 and 6487504.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1621883 + ... + 1621886.

Almost surely, 2^6487538 is an apocalyptic number.

6487538 is a deficient number, since it is larger than the sum of its proper divisors (3243772).

6487538 is a wasteful number, since it uses less digits than its factorization.

6487538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3243771.

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

The square root of 6487538 is about 2547.0645849684. The cubic root of 6487538 is about 186.5062134508.

The spelling of 6487538 in words is "six million, four hundred eighty-seven thousand, five hundred thirty-eight".