4425 has 12 divisors (see below), whose sum is σ = 7440.
Its totient is φ = 2320.
The previous prime is 4423. The next prime is 4441. The reversal of 4425 is 5244.
Adding to 4425 its reverse (5244), we get a palindrome (9669).
4425 = 15 + 25 + ... + 55.
4425 is nontrivially palindromic in base 14.
It is not a de Polignac number, because 4425 - 21 = 4423 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (15).
4425 is a Rhonda number in base 12.
It is a plaindrome in base 12 and base 16.
It is not an unprimeable number, because it can be changed into a prime (4421) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46 + ... + 104.
It is an arithmetic number, because the mean of its divisors is an integer number (620).
24425 is an apocalyptic number.
It is an amenable number.
4425 is a deficient number, since it is larger than the sum of its proper divisors (3015).
4425 is a wasteful number, since it uses less digits than its factorization.
4425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72 (or 67 counting only the distinct ones).
The product of its digits is 160, while the sum is 15.
The square root of 4425 is about 66.5206734783.
The cubic root of 4425 is about 16.4174017153.
The spelling of 4425 in words is "four thousand, four hundred twenty-five".