6478229 has 2 divisors, whose sum is σ = 6478230. Its totient is φ = 6478228.

The previous prime is 6478201. The next prime is 6478267. The reversal of 6478229 is 9228746.

It is an a-pointer prime, because the next prime (6478267) can be obtained adding 6478229 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5650129 + 828100 = 2377^2 + 910^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6478229 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 6478192 and 6478201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6478279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3239114 + 3239115.

It is an arithmetic number, because the mean of its divisors is an integer number (3239115).

Almost surely, 2^6478229 is an apocalyptic number.

It is an amenable number.

6478229 is a deficient number, since it is larger than the sum of its proper divisors (1).

6478229 is an equidigital number, since it uses as much as digits as its factorization.

6478229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 38.

The square root of 6478229 is about 2545.2365312481. The cubic root of 6478229 is about 186.4169645234.

The spelling of 6478229 in words is "six million, four hundred seventy-eight thousand, two hundred twenty-nine".