6484375 has 16 divisors (see below), whose sum is σ = 8203104. Its totient is φ = 5125000.

The previous prime is 6484351. The next prime is 6484381. The reversal of 6484375 is 5734846.

It is not a de Polignac number, because 6484375 - 2⁵ = 6484343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 78084 + ... + 78166.

It is an arithmetic number, because the mean of its divisors is an integer number (512694).

Almost surely, 2^6484375 is an apocalyptic number.

6484375 is a deficient number, since it is larger than the sum of its proper divisors (1718729).

6484375 is an frugal number, since it uses more digits than its factorization.

6484375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118 (or 88 counting only the distinct ones).

The product of its digits is 80640, while the sum is 37.

The square root of 6484375 is about 2546.4435984329. The cubic root of 6484375 is about 186.4758981473.

It can be divided in two parts, 6484 and 375, that added together give a cube (6859 = 19³).

The spelling of 6484375 in words is "six million, four hundred eighty-four thousand, three hundred seventy-five".