425420 has 24 divisors (see below), whose sum is σ = 907200. Its totient is φ = 167552.

The previous prime is 425419. The next prime is 425423. The reversal of 425420 is 24524.

It is not an unprimeable number, because it can be changed into a prime (425423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1661 + ... + 1899.

It is an arithmetic number, because the mean of its divisors is an integer number (37800).

2⁴²⁵⁴²⁰ is an apocalyptic number.

It is an amenable number.

425420 is an abundant number, since it is smaller than the sum of its proper divisors (481780).

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

425420 is a wasteful number, since it uses less digits than its factorization.

425420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337 (or 335 counting only the distinct ones).

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

The square root of 425420 is about 652.2422862710. The cubic root of 425420 is about 75.2094883908.

Adding to 425420 its reverse (24524), we get a palindrome (449944).

The spelling of 425420 in words is "four hundred twenty-five thousand, four hundred twenty".