6442307 has 2 divisors, whose sum is σ = 6442308. Its totient is φ = 6442306.

The previous prime is 6442301. The next prime is 6442339. The reversal of 6442307 is 7032446.

It is a happy number.

6442307 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6442307 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6442301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3221153 + 3221154.

It is an arithmetic number, because the mean of its divisors is an integer number (3221154).

Almost surely, 2^6442307 is an apocalyptic number.

6442307 is a deficient number, since it is larger than the sum of its proper divisors (1).

6442307 is an equidigital number, since it uses as much as digits as its factorization.

6442307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 6442307 is about 2538.1700100663. The cubic root of 6442307 is about 186.0717628818.

The spelling of 6442307 in words is "six million, four hundred forty-two thousand, three hundred seven".