425304 has 64 divisors (see below), whose sum is σ = 1296000. Its totient is φ = 128160.

The previous prime is 425297. The next prime is 425309. The reversal of 425304 is 403524.

Added to its reverse (403524) it gives a triangular number (828828 = T₁₂₈₇).

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425309) by changing a digit.

425304 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 (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2287 + ... + 2465.

It is an arithmetic number, because the mean of its divisors is an integer number (20250).

2⁴²⁵³⁰⁴ is an apocalyptic number.

425304 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (648000).

425304 is an abundant number, since it is smaller than the sum of its proper divisors (870696).

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

425304 is a wasteful number, since it uses less digits than its factorization.

425304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 425304 is about 652.1533561978. The cubic root of 425304 is about 75.2026519361.

Adding to 425304 its reverse (403524), we get a palindrome (828828).

It can be divided in two parts, 425 and 304, that added together give a 6-th power (729 = 3⁶).

The spelling of 425304 in words is "four hundred twenty-five thousand, three hundred four".