8443425 has 24 divisors (see below), whose sum is σ = 14108224. Its totient is φ = 4455360.

The previous prime is 8443397. The next prime is 8443433. The reversal of 8443425 is 5243448.

It is not a de Polignac number, because 8443425 - 2⁶ = 8443361 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8443392 and 8443401.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7179 + ... + 8271.

Almost surely, 2^8443425 is an apocalyptic number.

It is an amenable number.

8443425 is a deficient number, since it is larger than the sum of its proper divisors (5664799).

8443425 is a wasteful number, since it uses less digits than its factorization.

8443425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209 (or 1204 counting only the distinct ones).

The product of its digits is 15360, while the sum is 30.

The square root of 8443425 is about 2905.7572162863. The cubic root of 8443425 is about 203.6289632039.

The spelling of 8443425 in words is "eight million, four hundred forty-three thousand, four hundred twenty-five".