425460 has 48 divisors (see below), whose sum is σ = 1362816. Its totient is φ = 97152.

The previous prime is 425443. The next prime is 425471. The reversal of 425460 is 64524.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87 + ... + 926.

It is an arithmetic number, because the mean of its divisors is an integer number (28392).

2⁴²⁵⁴⁶⁰ 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 425460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (681408).

425460 is an abundant number, since it is smaller than the sum of its proper divisors (937356).

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

425460 is a wasteful number, since it uses less digits than its factorization.

425460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032 (or 1030 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 425460 is about 652.2729490022. The cubic root of 425460 is about 75.2118455008.

Adding to 425460 its reverse (64524), we get a palindrome (489984).

The spelling of 425460 in words is "four hundred twenty-five thousand, four hundred sixty".