6405059 has 2 divisors, whose sum is σ = 6405060. Its totient is φ = 6405058.

The previous prime is 6405053. The next prime is 6405067. The reversal of 6405059 is 9505046.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6405059 - 2⁴ = 6405043 is a prime.

It is equal to p₄₃₈₇₃₄ and since 6405059 and 438734 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (6405053) 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, 3202529 + 3202530.

It is an arithmetic number, because the mean of its divisors is an integer number (3202530).

Almost surely, 2^6405059 is an apocalyptic number.

6405059 is a deficient number, since it is larger than the sum of its proper divisors (1).

6405059 is an equidigital number, since it uses as much as digits as its factorization.

6405059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 6405059 is about 2530.8218032884. The cubic root of 6405059 is about 185.7124608725.

The spelling of 6405059 in words is "six million, four hundred five thousand, fifty-nine".