424425 has 12 divisors (see below), whose sum is σ = 701840. Its totient is φ = 226320.

The previous prime is 424423. The next prime is 424429. The reversal of 424425 is 524424.

It is not a de Polignac number, because 424425 - 2¹ = 424423 is a prime.

It is a d-powerful number, because it can be written as 4 + 2¹⁴ + 4 + 4⁵ + 2¹⁴ + 5⁸ .

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 424425.

It is not an unprimeable number, because it can be changed into a prime (424423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2755 + ... + 2904.

2⁴²⁴⁴²⁵ is an apocalyptic number.

It is an amenable number.

424425 is a deficient number, since it is larger than the sum of its proper divisors (277415).

424425 is a wasteful number, since it uses less digits than its factorization.

424425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5672 (or 5667 counting only the distinct ones).

The product of its digits is 1280, while the sum is 21.

The square root of 424425 is about 651.4790863873. The cubic root of 424425 is about 75.1508076685.

Adding to 424425 its reverse (524424), we get a palindrome (948849).

Subtracting 424425 from its reverse (524424), we obtain a palindrome (99999).

The spelling of 424425 in words is "four hundred twenty-four thousand, four hundred twenty-five".