25366 has 8 divisors (see below), whose sum is σ = 41544. Its totient is φ = 11520.

The previous prime is 25357. The next prime is 25367. The reversal of 25366 is 66352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 1153 = 25366 / (2 + 5 + 3 + 6 + 6).

It is a d-powerful number, because it can be written as 2⁷ + 5⁵ + 3⁸ + 6⁵ + 6⁵ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25367) by changing a digit.

25366 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 555 + ... + 598.

It is an arithmetic number, because the mean of its divisors is an integer number (5193).

2²⁵³⁶⁶ is an apocalyptic number.

25366 is a deficient number, since it is larger than the sum of its proper divisors (16178).

25366 is a wasteful number, since it uses less digits than its factorization.

25366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166.

The product of its digits is 1080, while the sum is 22.

The square root of 25366 is about 159.2670712985. The cubic root of 25366 is about 29.3821787193.

The spelling of 25366 in words is "twenty-five thousand, three hundred sixty-six".