6756413 has 2 divisors, whose sum is σ = 6756414. Its totient is φ = 6756412.

The previous prime is 6756403. The next prime is 6756439. The reversal of 6756413 is 3146576.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5750404 + 1006009 = 2398^2 + 1003^2 .

It is a cyclic number.

It is not a de Polignac number, because 6756413 - 2⁴ = 6756397 is a prime.

It is a Chen prime.

It is a plaindrome in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 6756413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6756403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3378206 + 3378207.

It is an arithmetic number, because the mean of its divisors is an integer number (3378207).

Almost surely, 2^6756413 is an apocalyptic number.

It is an amenable number.

6756413 is a deficient number, since it is larger than the sum of its proper divisors (1).

6756413 is an equidigital number, since it uses as much as digits as its factorization.

6756413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 32.

The square root of 6756413 is about 2599.3101007767. The cubic root of 6756413 is about 189.0479894562.

The spelling of 6756413 in words is "six million, seven hundred fifty-six thousand, four hundred thirteen".