425484 has 36 divisors (see below), whose sum is σ = 1100736. Its totient is φ = 138528.

The previous prime is 425473. The next prime is 425489. The reversal of 425484 is 484524.

It is a tau number, because it is divible by the number of its divisors (36).

It is a zygodrome in base 2.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 425484.

It is not an unprimeable number, because it can be changed into a prime (425489) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1797 + ... + 2019.

It is an arithmetic number, because the mean of its divisors is an integer number (30576).

2⁴²⁵⁴⁸⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (550368).

425484 is an abundant number, since it is smaller than the sum of its proper divisors (675252).

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

425484 is a wasteful number, since it uses less digits than its factorization.

425484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 281 counting only the distinct ones).

The product of its digits is 5120, while the sum is 27.

The square root of 425484 is about 652.2913459490. The cubic root of 425484 is about 75.2132596959.

It can be divided in two parts, 425 and 484, that added together give a palindrome (909).

The spelling of 425484 in words is "four hundred twenty-five thousand, four hundred eighty-four".