425504 has 12 divisors (see below), whose sum is σ = 837774. Its totient is φ = 212736.

The previous prime is 425501. The next prime is 425519. The reversal of 425504 is 405524.

It is a happy number.

425504 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 425104 + 400 = 652^2 + 20^2 .

It is a pancake number, because a pancake can be divided into 425504 parts by 922 straight cuts.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 425504.

It is not an unprimeable number, because it can be changed into a prime (425501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6617 + ... + 6680.

2⁴²⁵⁵⁰⁴ is an apocalyptic number.

It is an amenable number.

425504 is a deficient number, since it is larger than the sum of its proper divisors (412270).

425504 is a wasteful number, since it uses less digits than its factorization.

425504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13307 (or 13299 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 425504 is about 652.3066763417. The cubic root of 425504 is about 75.2144381512.

Adding to 425504 its sum of digits (20), we get a palindrome (425524).

It can be divided in two parts, 425 and 504, that added together give a palindrome (929).

The spelling of 425504 in words is "four hundred twenty-five thousand, five hundred four".