6401459 has 2 divisors, whose sum is σ = 6401460. Its totient is φ = 6401458.

The previous prime is 6401419. The next prime is 6401467. The reversal of 6401459 is 9541046.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6401459 - 2⁸ = 6401203 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (6401419) 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, 3200729 + 3200730.

It is an arithmetic number, because the mean of its divisors is an integer number (3200730).

Almost surely, 2^6401459 is an apocalyptic number.

6401459 is a deficient number, since it is larger than the sum of its proper divisors (1).

6401459 is an equidigital number, since it uses as much as digits as its factorization.

6401459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 6401459 is about 2530.1104718964. The cubic root of 6401459 is about 185.6776607686.

The spelling of 6401459 in words is "six million, four hundred one thousand, four hundred fifty-nine".