2656275 has 24 divisors (see below), whose sum is σ = 4446144. Its totient is φ = 1399200.

The previous prime is 2656273. The next prime is 2656289. The reversal of 2656275 is 5726562.

It is not a de Polignac number, because 2656275 - 2¹ = 2656273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2656271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7860 + ... + 8190.

It is an arithmetic number, because the mean of its divisors is an integer number (185256).

2^2656275 is an apocalyptic number.

2656275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2656275 is a deficient number, since it is larger than the sum of its proper divisors (1789869).

2656275 is a wasteful number, since it uses less digits than its factorization.

2656275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451 (or 446 counting only the distinct ones).

The product of its digits is 25200, while the sum is 33.

The square root of 2656275 is about 1629.8082709325. The cubic root of 2656275 is about 138.4918909005.

The spelling of 2656275 in words is "two million, six hundred fifty-six thousand, two hundred seventy-five".