6444313 has 2 divisors, whose sum is σ = 6444314. Its totient is φ = 6444312.

The previous prime is 6444299. The next prime is 6444329. The reversal of 6444313 is 3134446.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6416089 + 28224 = 2533^2 + 168^2 .

It is a cyclic number.

It is not a de Polignac number, because 6444313 - 2¹³ = 6436121 is a prime.

It is not a weakly prime, because it can be changed into another prime (6444353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3222156 + 3222157.

It is an arithmetic number, because the mean of its divisors is an integer number (3222157).

Almost surely, 2^6444313 is an apocalyptic number.

It is an amenable number.

6444313 is a deficient number, since it is larger than the sum of its proper divisors (1).

6444313 is an equidigital number, since it uses as much as digits as its factorization.

6444313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 25.

The square root of 6444313 is about 2538.5651459043. The cubic root of 6444313 is about 186.0910738327.

Adding to 6444313 its reverse (3134446), we get a palindrome (9578759).

The spelling of 6444313 in words is "six million, four hundred forty-four thousand, three hundred thirteen".