2656875 has 40 divisors (see below), whose sum is σ = 4810960. Its totient is φ = 1296000.

The previous prime is 2656867. The next prime is 2656877. The reversal of 2656875 is 5786562.

It is a happy number.

It is not a de Polignac number, because 2656875 - 2³ = 2656867 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (2656877) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 24321 + ... + 24429.

It is an arithmetic number, because the mean of its divisors is an integer number (120274).

2^2656875 is an apocalyptic number.

2656875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2656875 is a deficient number, since it is larger than the sum of its proper divisors (2154085).

2656875 is a wasteful number, since it uses less digits than its factorization.

2656875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 130 counting only the distinct ones).

The product of its digits is 100800, while the sum is 39.

The square root of 2656875 is about 1629.9923312703. The cubic root of 2656875 is about 138.5023176421.

It can be divided in two parts, 265 and 6875, that added together give a triangular number (7140 = T₁₁₉).

The spelling of 2656875 in words is "two million, six hundred fifty-six thousand, eight hundred seventy-five".