2563875 has 48 divisors (see below), whose sum is σ = 4818528. Its totient is φ = 1310400.

The previous prime is 2563867. The next prime is 2563877. The reversal of 2563875 is 5783652.

It is not a de Polignac number, because 2563875 - 2³ = 2563867 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2563877) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48349 + ... + 48401.

It is an arithmetic number, because the mean of its divisors is an integer number (100386).

2^2563875 is an apocalyptic number.

2563875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2563875 is a deficient number, since it is larger than the sum of its proper divisors (2254653).

2563875 is a wasteful number, since it uses less digits than its factorization.

2563875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 104 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 2563875 is about 1601.2104796060. The cubic root of 2563875 is about 136.8670634042.

The spelling of 2563875 in words is "two million, five hundred sixty-three thousand, eight hundred seventy-five".