425425 has 48 divisors (see below), whose sum is σ = 749952. Its totient is φ = 230400.

The previous prime is 425423. The next prime is 425441. The reversal of 425425 is 524524.

It is not a de Polignac number, because 425425 - 2¹ = 425423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 425396 and 425405.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 25017 + ... + 25033.

It is an arithmetic number, because the mean of its divisors is an integer number (15624).

2⁴²⁵⁴²⁵ is an apocalyptic number.

It is an amenable number.

425425 is a deficient number, since it is larger than the sum of its proper divisors (324527).

425425 is a wasteful number, since it uses less digits than its factorization.

425425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58 (or 53 counting only the distinct ones).

The product of its digits is 1600, while the sum is 22.

The square root of 425425 is about 652.2461191912. The cubic root of 425425 is about 75.2097830376.

Adding to 425425 its reverse (524524), we get a palindrome (949949).

Subtracting 425425 from its reverse (524524), we obtain a palindrome (99099).

The spelling of 425425 in words is "four hundred twenty-five thousand, four hundred twenty-five".