424423425 has 24 divisors (see below), whose sum is σ = 738648160. Its totient is φ = 214444800.

The previous prime is 424423409. The next prime is 424423427. The reversal of 424423425 is 524324424.

It is not a de Polignac number, because 424423425 - 2⁴ = 424423409 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 424423392 and 424423401.

It is not an unprimeable number, because it can be changed into a prime (424423427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147496 + ... + 150345.

Almost surely, 2^424423425 is an apocalyptic number.

It is an amenable number.

424423425 is a deficient number, since it is larger than the sum of its proper divisors (314224735).

424423425 is a wasteful number, since it uses less digits than its factorization.

424423425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297873 (or 297868 counting only the distinct ones).

The product of its digits is 30720, while the sum is 30.

The square root of 424423425 is about 20601.5393842305. The cubic root of 424423425 is about 751.5071470926.

Adding to 424423425 its reverse (524324424), we get a palindrome (948747849).

Subtracting 424423425 from its reverse (524324424), we obtain a palindrome (99900999).

The spelling of 424423425 in words is "four hundred twenty-four million, four hundred twenty-three thousand, four hundred twenty-five".