25612288 has 78 divisors (see below), whose sum is σ = 56960214. Its totient is φ = 11501568.

The previous prime is 25612283. The next prime is 25612309. The reversal of 25612288 is 88221652.

It can be written as a sum of positive squares in 3 ways, for example, as 1327104 + 24285184 = 1152^2 + 4928^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25612283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 692206 + ... + 692242.

Almost surely, 2^25612288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25612288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28480107).

25612288 is an abundant number, since it is smaller than the sum of its proper divisors (31347926).

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

25612288 is an equidigital number, since it uses as much as digits as its factorization.

25612288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87 (or 52 counting only the distinct ones).

The product of its digits is 15360, while the sum is 34.

The square root of 25612288 is about 5060.8584252081. The cubic root of 25612288 is about 294.7696679515.

It can be divided in two parts, 256 and 12288, that added together give a square (12544 = 112²).

The spelling of 25612288 in words is "twenty-five million, six hundred twelve thousand, two hundred eighty-eight".