424432425 has 12 divisors (see below), whose sum is σ = 701728400. Its totient is φ = 226363920.

The previous prime is 424432423. The next prime is 424432441. The reversal of 424432425 is 524234424.

It is not a de Polignac number, because 424432425 - 2¹ = 424432423 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 424432392 and 424432401.

It is not an unprimeable number, because it can be changed into a prime (424432423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2829475 + ... + 2829624.

Almost surely, 2^424432425 is an apocalyptic number.

It is an amenable number.

424432425 is a deficient number, since it is larger than the sum of its proper divisors (277295975).

424432425 is a wasteful number, since it uses less digits than its factorization.

424432425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5659112 (or 5659107 counting only the distinct ones).

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

The square root of 424432425 is about 20601.7578133518. The cubic root of 424432425 is about 751.5124590178.

Adding to 424432425 its reverse (524234424), we get a palindrome (948666849).

The spelling of 424432425 in words is "four hundred twenty-four million, four hundred thirty-two thousand, four hundred twenty-five".