6515385 has 16 divisors (see below), whose sum is σ = 10973760. Its totient is φ = 3291840.

The previous prime is 6515329. The next prime is 6515387. The reversal of 6515385 is 5835156.

It is not a de Polignac number, because 6515385 - 2⁸ = 6515129 is a prime.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (6515387) 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 in 15 ways as a sum of consecutive naturals, for example, 11146 + ... + 11715.

It is an arithmetic number, because the mean of its divisors is an integer number (685860).

Almost surely, 2^6515385 is an apocalyptic number.

It is an amenable number.

6515385 is a deficient number, since it is larger than the sum of its proper divisors (4458375).

6515385 is a wasteful number, since it uses less digits than its factorization.

6515385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22888.

The product of its digits is 18000, while the sum is 33.

The square root of 6515385 is about 2552.5252202476. The cubic root of 6515385 is about 186.7726846025.

The spelling of 6515385 in words is "six million, five hundred fifteen thousand, three hundred eighty-five".