6464505 has 32 divisors (see below), whose sum is σ = 11104128. Its totient is φ = 3200000.

The previous prime is 6464501. The next prime is 6464509. The reversal of 6464505 is 5054646.

It is an interprime number because it is at equal distance from previous prime (6464501) and next prime (6464509).

It is not a de Polignac number, because 6464505 - 2² = 6464501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6464501) 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 in 31 ways as a sum of consecutive naturals, for example, 25630 + ... + 25880.

It is an arithmetic number, because the mean of its divisors is an integer number (347004).

Almost surely, 2^6464505 is an apocalyptic number.

It is an amenable number.

6464505 is a deficient number, since it is larger than the sum of its proper divisors (4639623).

6464505 is a wasteful number, since it uses less digits than its factorization.

6464505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 6464505 is about 2542.5390852453. The cubic root of 6464505 is about 186.2852312374.

It can be divided in two parts, 646 and 4505, that added together give a triangular number (5151 = T₁₀₁).

The spelling of 6464505 in words is "six million, four hundred sixty-four thousand, five hundred five".