6654013 has 4 divisors (see below), whose sum is σ = 6816348. Its totient is φ = 6491680.

The previous prime is 6654007. The next prime is 6654017. The reversal of 6654013 is 3104566.

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 1734489 + 4919524 = 1317^2 + 2218^2 .

It is a cyclic number.

It is not a de Polignac number, because 6654013 - 2⁹ = 6653501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6654017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81106 + ... + 81187.

It is an arithmetic number, because the mean of its divisors is an integer number (1704087).

Almost surely, 2^6654013 is an apocalyptic number.

It is an amenable number.

6654013 is a deficient number, since it is larger than the sum of its proper divisors (162335).

6654013 is a wasteful number, since it uses less digits than its factorization.

6654013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162334.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 6654013 is about 2579.5373616213. The cubic root of 6654013 is about 188.0880547972.

Adding to 6654013 its reverse (3104566), we get a palindrome (9758579).

The spelling of 6654013 in words is "six million, six hundred fifty-four thousand, thirteen".