25167 has 4 divisors (see below), whose sum is σ = 33560. Its totient is φ = 16776.

The previous prime is 25163. The next prime is 25169. The reversal of 25167 is 76152.

25167 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 not a de Polignac number, because 25167 - 2² = 25163 is a prime.

It is a D-number.

It is a Duffinian number.

25167 is a lucky number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25163) 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, 4192 + ... + 4197.

It is an arithmetic number, because the mean of its divisors is an integer number (8390).

2²⁵¹⁶⁷ is an apocalyptic number.

25167 is a deficient number, since it is larger than the sum of its proper divisors (8393).

25167 is an equidigital number, since it uses as much as digits as its factorization.

25167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8392.

The product of its digits is 420, while the sum is 21.

The square root of 25167 is about 158.6411043834. The cubic root of 25167 is about 29.3051410720.

The spelling of 25167 in words is "twenty-five thousand, one hundred sixty-seven".