25550241 has 8 divisors (see below), whose sum is σ = 34335744. Its totient is φ = 16899120.

The previous prime is 25550237. The next prime is 25550243. The reversal of 25550241 is 14205552.

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 25550241 - 2² = 25550237 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25550243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33150 + ... + 33911.

It is an arithmetic number, because the mean of its divisors is an integer number (4291968).

Almost surely, 2^25550241 is an apocalyptic number.

It is an amenable number.

25550241 is a deficient number, since it is larger than the sum of its proper divisors (8785503).

25550241 is a wasteful number, since it uses less digits than its factorization.

25550241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67191.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 25550241 is about 5054.7246215793. The cubic root of 25550241 is about 294.5314442440.

Adding to 25550241 its reverse (14205552), we get a palindrome (39755793).

The spelling of 25550241 in words is "twenty-five million, five hundred fifty thousand, two hundred forty-one".