1425004424 has 16 divisors (see below), whose sum is σ = 2704075920. Its totient is φ = 703917520.

The previous prime is 1425004417. The next prime is 1425004433. The reversal of 1425004424 is 4244005241.

It is a junction number, because it is equal to n+sod(n) for n = 1425004393 and 1425004402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1072382 + ... + 1073709.

It is an arithmetic number, because the mean of its divisors is an integer number (169004745).

Almost surely, 2^1425004424 is an apocalyptic number.

It is an amenable number.

1425004424 is a deficient number, since it is larger than the sum of its proper divisors (1279071496).

1425004424 is a wasteful number, since it uses less digits than its factorization.

1425004424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2146180 (or 2146176 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 1425004424 is about 37749.2307736197. The cubic root of 1425004424 is about 1125.3097218672.

Adding to 1425004424 its reverse (4244005241), we get a palindrome (5669009665).

The spelling of 1425004424 in words is "one billion, four hundred twenty-five million, four thousand, four hundred twenty-four".