25535125 has 48 divisors (see below), whose sum is σ = 40547520. Its totient is φ = 15876000.

The previous prime is 25535119. The next prime is 25535161. The reversal of 25535125 is 52153552.

It is not a de Polignac number, because 25535125 - 2⁷ = 25534997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25535093 and 25535102.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 67186 + ... + 67564.

It is an arithmetic number, because the mean of its divisors is an integer number (844740).

Almost surely, 2^25535125 is an apocalyptic number.

25535125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25535125 is a deficient number, since it is larger than the sum of its proper divisors (15012395).

25535125 is a wasteful number, since it uses less digits than its factorization.

25535125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419 (or 402 counting only the distinct ones).

The product of its digits is 7500, while the sum is 28.

The square root of 25535125 is about 5053.2291655930. The cubic root of 25535125 is about 294.4733493505.

Adding to 25535125 its reverse (52153552), we get a palindrome (77688677).

The spelling of 25535125 in words is "twenty-five million, five hundred thirty-five thousand, one hundred twenty-five".