25448025 has 12 divisors (see below), whose sum is σ = 42074192. Its totient is φ = 13572240.

The previous prime is 25448021. The next prime is 25448053. The reversal of 25448025 is 52084452.

It is not a de Polignac number, because 25448025 - 2² = 25448021 is a prime.

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 = 25447983 and 25448001.

It is not an unprimeable number, because it can be changed into a prime (25448021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169579 + ... + 169728.

Almost surely, 2^25448025 is an apocalyptic number.

25448025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25448025 is a deficient number, since it is larger than the sum of its proper divisors (16626167).

25448025 is a wasteful number, since it uses less digits than its factorization.

25448025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339320 (or 339315 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 25448025 is about 5044.6035523121. The cubic root of 25448025 is about 294.1381529428.

The spelling of 25448025 in words is "twenty-five million, four hundred forty-eight thousand, twenty-five".