6681315 has 16 divisors (see below), whose sum is σ = 10745856. Its totient is φ = 3544800.

The previous prime is 6681287. The next prime is 6681329. The reversal of 6681315 is 5131866.

It is a de Polignac number, because none of the positive numbers 2^k-6681315 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2110 + ... + 4220.

It is an arithmetic number, because the mean of its divisors is an integer number (671616).

Almost surely, 2^6681315 is an apocalyptic number.

6681315 is a deficient number, since it is larger than the sum of its proper divisors (4064541).

6681315 is a wasteful number, since it uses less digits than its factorization.

6681315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2330.

The product of its digits is 4320, while the sum is 30.

The square root of 6681315 is about 2584.8239785332. The cubic root of 6681315 is about 188.3449510328.

It can be divided in two parts, 6681 and 315, that added together give a palindrome (6996).

The spelling of 6681315 in words is "six million, six hundred eighty-one thousand, three hundred fifteen".