25827 has 4 divisors (see below), whose sum is σ = 34440. Its totient is φ = 17216.

The previous prime is 25819. The next prime is 25841. The reversal of 25827 is 72852.

25827 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25827 - 2³ = 25819 is a prime.

It is a D-number.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 25797 and 25806.

It is not an unprimeable number, because it can be changed into a prime (25847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4302 + ... + 4307.

It is an arithmetic number, because the mean of its divisors is an integer number (8610).

2²⁵⁸²⁷ is an apocalyptic number.

25827 is a deficient number, since it is larger than the sum of its proper divisors (8613).

25827 is an equidigital number, since it uses as much as digits as its factorization.

25827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8612.

The product of its digits is 1120, while the sum is 24.

The square root of 25827 is about 160.7078093933. The cubic root of 25827 is about 29.5591077654.

The spelling of 25827 in words is "twenty-five thousand, eight hundred twenty-seven".