25525125 has 40 divisors (see below), whose sum is σ = 47605272. Its totient is φ = 13608000.

The previous prime is 25525103. The next prime is 25525127. The reversal of 25525125 is 52152552.

It can be written as a sum of positive squares in 4 ways, for example, as 7935489 + 17589636 = 2817^2 + 4194^2 .

It is not a de Polignac number, because 25525125 - 2⁸ = 25524869 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25525127) 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 39 ways as a sum of consecutive naturals, for example, 8865 + ... + 11385.

Almost surely, 2^25525125 is an apocalyptic number.

25525125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25525125 is a deficient number, since it is larger than the sum of its proper divisors (22080147).

25525125 is an equidigital number, since it uses as much as digits as its factorization.

25525125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2548 (or 2529 counting only the distinct ones).

The product of its digits is 5000, while the sum is 27.

The square root of 25525125 is about 5052.2396023942. The cubic root of 25525125 is about 294.4349040327.

Adding to 25525125 its reverse (52152552), we get a palindrome (77677677).

The spelling of 25525125 in words is "twenty-five million, five hundred twenty-five thousand, one hundred twenty-five".