2566875 has 30 divisors (see below), whose sum is σ = 4395468. Its totient is φ = 1332000.

The previous prime is 2566867. The next prime is 2566897. The reversal of 2566875 is 5786652.

It is a happy number.

It is not a de Polignac number, because 2566875 - 2³ = 2566867 is a prime.

It is a d-powerful number, because it can be written as 2² + 5⁶ + 6 + 6⁶ + 8⁷ + 7⁵ + 5⁸ .

Its product of digits (100800) is a multiple of the sum of its prime divisors (45).

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 29 ways as a sum of consecutive naturals, for example, 69357 + ... + 69393.

2^2566875 is an apocalyptic number.

2566875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2566875 is a deficient number, since it is larger than the sum of its proper divisors (1828593).

2566875 is an frugal number, since it uses more digits than its factorization.

2566875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97 (or 45 counting only the distinct ones).

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

The square root of 2566875 is about 1602.1469970012. The cubic root of 2566875 is about 136.9204254890.

The spelling of 2566875 in words is "two million, five hundred sixty-six thousand, eight hundred seventy-five".