2664875 has 8 divisors (see below), whose sum is σ = 3325920. Its totient is φ = 2131800.

The previous prime is 2664859. The next prime is 2664889. The reversal of 2664875 is 5784662.

It is a happy number.

2664875 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2664875 - 2⁴ = 2664859 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10535 + ... + 10784.

It is an arithmetic number, because the mean of its divisors is an integer number (415740).

2^2664875 is an apocalyptic number.

2664875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2664875 is a deficient number, since it is larger than the sum of its proper divisors (661045).

2664875 is an equidigital number, since it uses as much as digits as its factorization.

2664875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21334 (or 21324 counting only the distinct ones).

The product of its digits is 80640, while the sum is 38.

The square root of 2664875 is about 1632.4444860393. Note that the first 4 decimals coincide. The cubic root of 2664875 is about 138.6411911050.

The spelling of 2664875 in words is "two million, six hundred sixty-four thousand, eight hundred seventy-five".