6422459 has 2 divisors, whose sum is σ = 6422460. Its totient is φ = 6422458.

The previous prime is 6422453. The next prime is 6422473. The reversal of 6422459 is 9542246.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6422459 - 2⁴ = 6422443 is a prime.

It is not a weakly prime, because it can be changed into another prime (6422453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3211229 + 3211230.

It is an arithmetic number, because the mean of its divisors is an integer number (3211230).

Almost surely, 2^6422459 is an apocalyptic number.

6422459 is a deficient number, since it is larger than the sum of its proper divisors (1).

6422459 is an equidigital number, since it uses as much as digits as its factorization.

6422459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 32.

The square root of 6422459 is about 2534.2570903521. The cubic root of 6422459 is about 185.8804778044.

The spelling of 6422459 in words is "six million, four hundred twenty-two thousand, four hundred fifty-nine".