25845125 has 16 divisors (see below), whose sum is σ = 32448000. Its totient is φ = 20552400.

The previous prime is 25845109. The next prime is 25845133. The reversal of 25845125 is 52154852.

It is not a de Polignac number, because 25845125 - 2⁴ = 25845109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25845091 and 25845100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24356 + ... + 25394.

It is an arithmetic number, because the mean of its divisors is an integer number (2028000).

Almost surely, 2^25845125 is an apocalyptic number.

25845125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25845125 is a deficient number, since it is larger than the sum of its proper divisors (6602875).

25845125 is a wasteful number, since it uses less digits than its factorization.

25845125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253 (or 1243 counting only the distinct ones).

The product of its digits is 16000, while the sum is 32.

The square root of 25845125 is about 5083.8100869328. The cubic root of 25845125 is about 295.6602086086.

Adding to 25845125 its reverse (52154852), we get a palindrome (77999977).

The spelling of 25845125 in words is "twenty-five million, eight hundred forty-five thousand, one hundred twenty-five".