Adding to 25434 its sum of digits (18), we get a palindrome (25452).
Adding to 25434 its reverse (43452), we get a palindrome (68886).
It is a happy number.
It is a d-powerful number, because it can be written as 213 + 53 + 4 + 36 + 47 .
It is an alternating number because its digits alternate between even and odd.
It is a nialpdrome in base 13.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 25434.
225434 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 25434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28677).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25434 is a wasteful number, since it uses less digits than its factorization.
25434 is an evil number, because the sum of its binary digits is even.
The square root of 25434 is about 159.4804063200. The cubic root of 25434 is about 29.4084107548.
The spelling of 25434 in words is "twenty-five thousand, four hundred thirty-four".