1001443425 has 24 divisors (see below), whose sum is σ = 1656736224. Its totient is φ = 533775360.

The previous prime is 1001443411. The next prime is 1001443433. The reversal of 1001443425 is 5243441001.

It is not a de Polignac number, because 1001443425 - 2⁹ = 1001442913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1001443395 and 1001443404.

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, 165249 + ... + 171201.

It is an arithmetic number, because the mean of its divisors is an integer number (69030676).

Almost surely, 2^1001443425 is an apocalyptic number.

1001443425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1001443425 is a deficient number, since it is larger than the sum of its proper divisors (655292799).

1001443425 is a wasteful number, since it uses less digits than its factorization.

1001443425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8209 (or 8204 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1001443425 is about 31645.5909251194. The cubic root of 1001443425 is about 1000.4809103548.

Adding to 1001443425 its reverse (5243441001), we get a palindrome (6244884426).

The spelling of 1001443425 in words is "one billion, one million, four hundred forty-three thousand, four hundred twenty-five".