25827541 has 4 divisors (see below), whose sum is σ = 25879392. Its totient is φ = 25775692.

The previous prime is 25827521. The next prime is 25827547. The reversal of 25827541 is 14572852.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25827541 - 2¹¹ = 25825493 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25827497 and 25827506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25827547) 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, 25171 + ... + 26176.

It is an arithmetic number, because the mean of its divisors is an integer number (6469848).

Almost surely, 2^25827541 is an apocalyptic number.

It is an amenable number.

25827541 is a deficient number, since it is larger than the sum of its proper divisors (51851).

25827541 is an equidigital number, since it uses as much as digits as its factorization.

25827541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51850.

The product of its digits is 22400, while the sum is 34.

The square root of 25827541 is about 5082.0803811038. The cubic root of 25827541 is about 295.5931415622.

The spelling of 25827541 in words is "twenty-five million, eight hundred twenty-seven thousand, five hundred forty-one".