25757632 has 28 divisors (see below), whose sum is σ = 51531520. Its totient is φ = 12773376.

The previous prime is 25757617. The next prime is 25757651. The reversal of 25757632 is 23675752.

25757632 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 25757591 and 25757600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6544 + ... + 9712.

Almost surely, 2^25757632 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 25757632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25765760).

25757632 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25757632 is a wasteful number, since it uses less digits than its factorization.

25757632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3308 (or 3298 counting only the distinct ones).

The product of its digits is 88200, while the sum is 37.

The square root of 25757632 is about 5075.1977301382. The cubic root of 25757632 is about 295.3262004991.

The spelling of 25757632 in words is "twenty-five million, seven hundred fifty-seven thousand, six hundred thirty-two".