425100 has 72 divisors (see below), whose sum is σ = 1336720. Its totient is φ = 103680.

The previous prime is 425083. The next prime is 425101. The reversal of 425100 is 1524.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (425101) by changing a digit.

425100 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 23 ways as a sum of consecutive naturals, for example, 3846 + ... + 3954.

2⁴²⁵¹⁰⁰ 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 425100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (668360).

425100 is an abundant number, since it is smaller than the sum of its proper divisors (911620).

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

425100 is a wasteful number, since it uses less digits than its factorization.

425100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 425100 is about 651.9969325081. The cubic root of 425100 is about 75.1906261894.

Adding to 425100 its reverse (1524), we get a palindrome (426624).

It can be divided in two parts, 425 and 100, that added together give a palindrome (525).

The spelling of 425100 in words is "four hundred twenty-five thousand, one hundred".