25003425 has 24 divisors (see below), whose sum is σ = 42305824. Its totient is φ = 13023360.

The previous prime is 25003417. The next prime is 25003427. The reversal of 25003425 is 52430052.

It is not a de Polignac number, because 25003425 - 2³ = 25003417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25003427) 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 23 ways as a sum of consecutive naturals, for example, 652 + ... + 7101.

Almost surely, 2^25003425 is an apocalyptic number.

25003425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25003425 is a deficient number, since it is larger than the sum of its proper divisors (17302399).

25003425 is a wasteful number, since it uses less digits than its factorization.

25003425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7809 (or 7804 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 25003425 is about 5000.3424882702. The cubic root of 25003425 is about 292.4151262259.

Adding to 25003425 its reverse (52430052), we get a palindrome (77433477).

The spelling of 25003425 in words is "twenty-five million, three thousand, four hundred twenty-five".