425432 has 32 divisors (see below), whose sum is σ = 933120. Its totient is φ = 178080.

The previous prime is 425423. The next prime is 425441. The reversal of 425432 is 234524.

It is an interprime number because it is at equal distance from previous prime (425423) and next prime (425441).

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 425432.

It is an unprimeable number.

425432 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 7 ways as a sum of consecutive naturals, for example, 3923 + ... + 4029.

It is an arithmetic number, because the mean of its divisors is an integer number (29160).

2⁴²⁵⁴³² 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 425432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (466560).

425432 is an abundant number, since it is smaller than the sum of its proper divisors (507688).

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

425432 is a wasteful number, since it uses less digits than its factorization.

425432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 187 counting only the distinct ones).

The product of its digits is 960, while the sum is 20.

The square root of 425432 is about 652.2514852417. The cubic root of 425432 is about 75.2101955393.

Adding to 425432 its reverse (234524), we get a palindrome (659956).

The spelling of 425432 in words is "four hundred twenty-five thousand, four hundred thirty-two".