6456975 has 48 divisors (see below), whose sum is σ = 12499200. Its totient is φ = 2940000.

The previous prime is 6456971. The next prime is 6456977. The reversal of 6456975 is 5796546.

It is not a de Polignac number, because 6456975 - 2² = 6456971 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6456971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25600 + ... + 25850.

It is an arithmetic number, because the mean of its divisors is an integer number (260400).

Almost surely, 2^6456975 is an apocalyptic number.

6456975 is a deficient number, since it is larger than the sum of its proper divisors (6042225).

6456975 is a wasteful number, since it uses less digits than its factorization.

6456975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285 (or 266 counting only the distinct ones).

The product of its digits is 226800, while the sum is 42.

The square root of 6456975 is about 2541.0578505811. The cubic root of 6456975 is about 186.2128734009.

The spelling of 6456975 in words is "six million, four hundred fifty-six thousand, nine hundred seventy-five".