6509487 has 8 divisors (see below), whose sum is σ = 9189936. Its totient is φ = 4084352.

The previous prime is 6509449. The next prime is 6509491. The reversal of 6509487 is 7849056.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6509487 - 2¹⁸ = 6247343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6509417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63768 + ... + 63869.

It is an arithmetic number, because the mean of its divisors is an integer number (1148742).

Almost surely, 2^6509487 is an apocalyptic number.

6509487 is a deficient number, since it is larger than the sum of its proper divisors (2680449).

6509487 is a wasteful number, since it uses less digits than its factorization.

6509487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127657.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 6509487 is about 2551.3696321780. The cubic root of 6509487 is about 186.7163094299.

It can be divided in two parts, 6509 and 487, that added together give a palindrome (6996).

The spelling of 6509487 in words is "six million, five hundred nine thousand, four hundred eighty-seven".