25225632 has 36 divisors (see below), whose sum is σ = 71736210. Its totient is φ = 8408448.

The previous prime is 25225583. The next prime is 25225633. The reversal of 25225632 is 23652252.

25225632 is a `hidden beast` number, since 2 + 5 + 2 + 25 + 632 = 666.

It can be written as a sum of positive squares in only one way, i.e., 23386896 + 1838736 = 4836^2 + 1356^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 25225596 and 25225605.

It is not an unprimeable number, because it can be changed into a prime (25225633) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43507 + ... + 44082.

Almost surely, 2^25225632 is an apocalyptic number.

It is an amenable number.

25225632 is an abundant number, since it is smaller than the sum of its proper divisors (46510578).

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

25225632 is a wasteful number, since it uses less digits than its factorization.

25225632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87605 (or 87594 counting only the distinct ones).

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

The square root of 25225632 is about 5022.5125186504. The cubic root of 25225632 is about 293.2788098844.

Adding to 25225632 its reverse (23652252), we get a palindrome (48877884).

The spelling of 25225632 in words is "twenty-five million, two hundred twenty-five thousand, six hundred thirty-two".