425444 has 24 divisors (see below), whose sum is σ = 795648. Its totient is φ = 198720.

The previous prime is 425443. The next prime is 425471. The reversal of 425444 is 444524.

425444 is nontrivially palindromic in base 3.

It is not an unprimeable number, because it can be changed into a prime (425441) 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, 5792 + ... + 5864.

It is an arithmetic number, because the mean of its divisors is an integer number (33152).

2⁴²⁵⁴⁴⁴ is an apocalyptic number.

It is an amenable number.

425444 is a deficient number, since it is larger than the sum of its proper divisors (370204).

425444 is a wasteful number, since it uses less digits than its factorization.

425444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 153 counting only the distinct ones).

The product of its digits is 2560, while the sum is 23.

The square root of 425444 is about 652.2606840827. The cubic root of 425444 is about 75.2109026745.

Adding to 425444 its reverse (444524), we get a palindrome (869968).

The spelling of 425444 in words is "four hundred twenty-five thousand, four hundred forty-four".