25610325 has 24 divisors (see below), whose sum is σ = 45601248. Its totient is φ = 12607680.

The previous prime is 25610323. The next prime is 25610329. The reversal of 25610325 is 52301652.

It is not a de Polignac number, because 25610325 - 2¹ = 25610323 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 25610295 and 25610304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25610323) 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 23 ways as a sum of consecutive naturals, for example, 12159 + ... + 14108.

It is an arithmetic number, because the mean of its divisors is an integer number (1900052).

Almost surely, 2^25610325 is an apocalyptic number.

25610325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25610325 is a deficient number, since it is larger than the sum of its proper divisors (19990923).

25610325 is a wasteful number, since it uses less digits than its factorization.

25610325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26293 (or 26288 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 25610325 is about 5060.6644820616. The cubic root of 25610325 is about 294.7621370918.

Adding to 25610325 its reverse (52301652), we get a palindrome (77911977).

The spelling of 25610325 in words is "twenty-five million, six hundred ten thousand, three hundred twenty-five".