25560125 has 8 divisors (see below), whose sum is σ = 31899192. Its totient is φ = 20448000.

The previous prime is 25560109. The next prime is 25560127. The reversal of 25560125 is 52106552.

25560125 = 187² + 188² + ... + 436².

It can be written as a sum of positive squares in 4 ways, for example, as 47524 + 25512601 = 218^2 + 5051^2 .

It is not a de Polignac number, because 25560125 - 2⁴ = 25560109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25560094 and 25560103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25560127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102116 + ... + 102365.

It is an arithmetic number, because the mean of its divisors is an integer number (3987399).

Almost surely, 2^25560125 is an apocalyptic number.

25560125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25560125 is a deficient number, since it is larger than the sum of its proper divisors (6339067).

25560125 is an equidigital number, since it uses as much as digits as its factorization.

25560125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204496 (or 204486 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 25560125 is about 5055.7022261996. The cubic root of 25560125 is about 294.5694187519.

Adding to 25560125 its reverse (52106552), we get a palindrome (77666677).

The spelling of 25560125 in words is "twenty-five million, five hundred sixty thousand, one hundred twenty-five".