425204 has 36 divisors (see below), whose sum is σ = 876204. Its totient is φ = 179712.

The previous prime is 425197. The next prime is 425207. The reversal of 425204 is 402524.

425204 = T₁₀₁ + T₁₀₂ + ... + T₁₅₂.

It can be written as a sum of positive squares in 6 ways, for example, as 100 + 425104 = 10^2 + 652^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425207) by changing a digit.

425204 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11474 + ... + 11510.

It is an arithmetic number, because the mean of its divisors is an integer number (24339).

2⁴²⁵²⁰⁴ is an apocalyptic number.

It is an amenable number.

425204 is an abundant number, since it is smaller than the sum of its proper divisors (451000).

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

425204 is a wasteful number, since it uses less digits than its factorization.

425204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 425204 is about 652.0766826072. The cubic root of 425204 is about 75.1967574428.

Adding to 425204 its product of nonzero digits (320), we get a palindrome (425524).

Adding to 425204 its reverse (402524), we get a palindrome (827728).

It can be divided in two parts, 42520 and 4, that added together give a palindrome (42524).

The spelling of 425204 in words is "four hundred twenty-five thousand, two hundred four".