425412 has 60 divisors (see below), whose sum is σ = 1209516. Its totient is φ = 129600.

The previous prime is 425393. The next prime is 425417. The reversal of 425412 is 214524.

It can be written as a sum of positive squares in 2 ways, for example, as 254016 + 171396 = 504^2 + 414^2 .

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

It is not an unprimeable number, because it can be changed into a prime (425417) by changing a digit.

425412 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 19 ways as a sum of consecutive naturals, for example, 4162 + ... + 4262.

2⁴²⁵⁴¹² 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 425412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (604758).

425412 is an abundant number, since it is smaller than the sum of its proper divisors (784104).

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

425412 is a wasteful number, since it uses less digits than its factorization.

425412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 119 counting only the distinct ones).

The product of its digits is 320, while the sum is 18.

The square root of 425412 is about 652.2361535518. The cubic root of 425412 is about 75.2090169511.

Adding to 425412 its reverse (214524), we get a palindrome (639936).

The spelling of 425412 in words is "four hundred twenty-five thousand, four hundred twelve".