25194 has 32 divisors (see below), whose sum is σ = 60480. Its totient is φ = 6912.

The previous prime is 25189. The next prime is 25219. The reversal of 25194 is 49152.

25194 = 27² + 28² + ... + 45².

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 25194.

It is a congruent number.

It is an unprimeable 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 15 ways as a sum of consecutive naturals, for example, 1317 + ... + 1335.

It is an arithmetic number, because the mean of its divisors is an integer number (1890).

2²⁵¹⁹⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30240).

25194 is an abundant number, since it is smaller than the sum of its proper divisors (35286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25194 is a wasteful number, since it uses less digits than its factorization.

25194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54.

The product of its digits is 360, while the sum is 21.

The square root of 25194 is about 158.7261793152. The cubic root of 25194 is about 29.3156171719.

The spelling of 25194 in words is "twenty-five thousand, one hundred ninety-four".