25632541 has 8 divisors (see below), whose sum is σ = 28252224. Its totient is φ = 23061120.

The previous prime is 25632533. The next prime is 25632553. The reversal of 25632541 is 14523652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25632541 - 2³ = 25632533 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25632521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10945 + ... + 13078.

It is an arithmetic number, because the mean of its divisors is an integer number (3531528).

Almost surely, 2^25632541 is an apocalyptic number.

It is an amenable number.

25632541 is a deficient number, since it is larger than the sum of its proper divisors (2619683).

25632541 is a wasteful number, since it uses less digits than its factorization.

25632541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24131.

The product of its digits is 7200, while the sum is 28.

The square root of 25632541 is about 5062.8589749271. The cubic root of 25632541 is about 294.8473441720.

Subtracting from 25632541 its reverse (14523652), we obtain a square (11108889 = 3333²).

The spelling of 25632541 in words is "twenty-five million, six hundred thirty-two thousand, five hundred forty-one".