25840241 has 8 divisors (see below), whose sum is σ = 29582784. Its totient is φ = 22110480.

The previous prime is 25840231. The next prime is 25840249. The reversal of 25840241 is 14204852.

It is a happy number.

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

It is not a de Polignac number, because 25840241 - 2¹⁴ = 25823857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25840241.

It is not an unprimeable number, because it can be changed into a prime (25840249) 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 7 ways as a sum of consecutive naturals, for example, 1631 + ... + 7371.

It is an arithmetic number, because the mean of its divisors is an integer number (3697848).

Almost surely, 2^25840241 is an apocalyptic number.

It is an amenable number.

25840241 is a deficient number, since it is larger than the sum of its proper divisors (3742543).

25840241 is an equidigital number, since it uses as much as digits as its factorization.

25840241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6391.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 25840241 is about 5083.3297158457. The cubic root of 25840241 is about 295.6415836206.

The spelling of 25840241 in words is "twenty-five million, eight hundred forty thousand, two hundred forty-one".