6682145 has 4 divisors (see below), whose sum is σ = 8018580. Its totient is φ = 5345712.

The previous prime is 6682141. The next prime is 6682153. The reversal of 6682145 is 5412866.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3598609 + 3083536 = 1897^2 + 1756^2 .

It is a cyclic number.

It is not a de Polignac number, because 6682145 - 2² = 6682141 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6682141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 668210 + ... + 668219.

It is an arithmetic number, because the mean of its divisors is an integer number (2004645).

Almost surely, 2^6682145 is an apocalyptic number.

It is an amenable number.

6682145 is a deficient number, since it is larger than the sum of its proper divisors (1336435).

6682145 is a wasteful number, since it uses less digits than its factorization.

6682145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336434.

The product of its digits is 11520, while the sum is 32.

The square root of 6682145 is about 2584.9845260659. The cubic root of 6682145 is about 188.3527498886.

It can be divided in two parts, 66821 and 45, that added together give a palindrome (66866).

The spelling of 6682145 in words is "six million, six hundred eighty-two thousand, one hundred forty-five".