25536632 has 16 divisors (see below), whose sum is σ = 52234200. Its totient is φ = 11607520.

The previous prime is 25536631. The next prime is 25536649. The reversal of 25536632 is 23663552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25536631) 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 3 ways as a sum of consecutive naturals, for example, 145007 + ... + 145182.

Almost surely, 2^25536632 is an apocalyptic number.

25536632 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25536632 is an abundant number, since it is smaller than the sum of its proper divisors (26697568).

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

25536632 is a wasteful number, since it uses less digits than its factorization.

25536632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290206 (or 290202 counting only the distinct ones).

The product of its digits is 32400, while the sum is 32.

The square root of 25536632 is about 5053.3782759655. The cubic root of 25536632 is about 294.4791421895.

Subtracting from 25536632 its reverse (23663552), we obtain a triangular number (1873080 = T₁₉₃₅).

The spelling of 25536632 in words is "twenty-five million, five hundred thirty-six thousand, six hundred thirty-two".