25522632 has 48 divisors (see below), whose sum is σ = 69757740. Its totient is φ = 8429568.

The previous prime is 25522631. The next prime is 25522649. The reversal of 25522632 is 23622552.

25522632 is a `hidden beast` number, since 2 + 5 + 5 + 22 + 632 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 25462116 + 60516 = 5046^2 + 246^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25522596 and 25522605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25522631) 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 11 ways as a sum of consecutive naturals, for example, 6568 + ... + 9704.

Almost surely, 2^25522632 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 25522632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34878870).

25522632 is an abundant number, since it is smaller than the sum of its proper divisors (44235108).

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

25522632 is a wasteful number, since it uses less digits than its factorization.

25522632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3262 (or 3255 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 25522632 is about 5051.9928741042. The cubic root of 25522632 is about 294.4253180514.

It can be divided in two parts, 2552 and 2632, that added together give a square (5184 = 72²).

The spelling of 25522632 in words is "twenty-five million, five hundred twenty-two thousand, six hundred thirty-two".