1025443425 has 24 divisors (see below), whose sum is σ = 1701425824. Its totient is φ = 544959360.

The previous prime is 1025443411. The next prime is 1025443427. The reversal of 1025443425 is 5243445201.

1025443425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1025443425 - 2⁴ = 1025443409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1025443392 and 1025443401.

It is not an unprimeable number, because it can be changed into a prime (1025443427) 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, 2932 + ... + 45381.

Almost surely, 2^1025443425 is an apocalyptic number.

1025443425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1025443425 is a deficient number, since it is larger than the sum of its proper divisors (675982399).

1025443425 is a wasteful number, since it uses less digits than its factorization.

1025443425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48609 (or 48604 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 1025443425 is about 32022.5455733925. The cubic root of 1025443425 is about 1008.4102117161.

Adding to 1025443425 its reverse (5243445201), we get a palindrome (6268888626).

The spelling of 1025443425 in words is "one billion, twenty-five million, four hundred forty-three thousand, four hundred twenty-five".