25325541 has 20 divisors (see below), whose sum is σ = 38297952. Its totient is φ = 16675848.

The previous prime is 25325533. The next prime is 25325549. The reversal of 25325541 is 14552352.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25325533) and next prime (25325549).

It is not a de Polignac number, because 25325541 - 2³ = 25325533 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25325549) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4840 + ... + 8606.

Almost surely, 2^25325541 is an apocalyptic number.

It is an amenable number.

25325541 is a deficient number, since it is larger than the sum of its proper divisors (12972411).

25325541 is an equidigital number, since it uses as much as digits as its factorization.

25325541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3862 (or 3853 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 25325541 is about 5032.4488074893. The cubic root of 25325541 is about 293.6654879260.

Adding to 25325541 its reverse (14552352), we get a palindrome (39877893).

The spelling of 25325541 in words is "twenty-five million, three hundred twenty-five thousand, five hundred forty-one".