25784325 has 120 divisors (see below), whose sum is σ = 58335552. Its totient is φ = 10990080.

The previous prime is 25784303. The next prime is 25784327. The reversal of 25784325 is 52348752.

25784325 is a `hidden beast` number, since 257 + 84 + 325 = 666.

It is not a de Polignac number, because 25784325 - 2⁶ = 25784261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25784325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25784327) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 240922 + ... + 241028.

Almost surely, 2^25784325 is an apocalyptic number.

25784325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25784325 is an abundant number, since it is smaller than the sum of its proper divisors (32551227).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25784325 is a wasteful number, since it uses less digits than its factorization.

25784325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153 (or 139 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 25784325 is about 5077.8267989367. The cubic root of 25784325 is about 295.4281821914.

It can be divided in two parts, 2578 and 4325, that added together give a triangular number (6903 = T₁₁₇).

The spelling of 25784325 in words is "twenty-five million, seven hundred eighty-four thousand, three hundred twenty-five".