6448567 has 2 divisors, whose sum is σ = 6448568. Its totient is φ = 6448566.

The previous prime is 6448553. The next prime is 6448573. The reversal of 6448567 is 7658446.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6448567 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6448517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3224283 + 3224284.

It is an arithmetic number, because the mean of its divisors is an integer number (3224284).

Almost surely, 2^6448567 is an apocalyptic number.

6448567 is a deficient number, since it is larger than the sum of its proper divisors (1).

6448567 is an equidigital number, since it uses as much as digits as its factorization.

6448567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 40.

The square root of 6448567 is about 2539.4028825690. The cubic root of 6448567 is about 186.1320121143.

The spelling of 6448567 in words is "six million, four hundred forty-eight thousand, five hundred sixty-seven".