25623325 has 36 divisors (see below), whose sum is σ = 39828180. Its totient is φ = 16208640.

The previous prime is 25623289. The next prime is 25623337. The reversal of 25623325 is 52332652.

It can be written as a sum of positive squares in 6 ways, for example, as 9604 + 25613721 = 98^2 + 5061^2 .

It is not a de Polignac number, because 25623325 - 2⁷ = 25623197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25623293 and 25623302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15121 + ... + 16729.

Almost surely, 2^25623325 is an apocalyptic number.

25623325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25623325 is a deficient number, since it is larger than the sum of its proper divisors (14204855).

25623325 is a wasteful number, since it uses less digits than its factorization.

25623325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646 (or 1634 counting only the distinct ones).

The product of its digits is 10800, while the sum is 28.

The square root of 25623325 is about 5061.9487354180. The cubic root of 25623325 is about 294.8120031725.

Adding to 25623325 its reverse (52332652), we get a palindrome (77955977).

The spelling of 25623325 in words is "twenty-five million, six hundred twenty-three thousand, three hundred twenty-five".