25544241 has 10 divisors (see below), whose sum is σ = 38158802. Its totient is φ = 17029440.

The previous prime is 25544231. The next prime is 25544249. The reversal of 25544241 is 14244552.

It can be written as a sum of positive squares in only one way, i.e., 15046641 + 10497600 = 3879^2 + 3240^2 .

It is not a de Polignac number, because 25544241 - 2⁵ = 25544209 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25544249) 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 9 ways as a sum of consecutive naturals, for example, 157600 + ... + 157761.

Almost surely, 2^25544241 is an apocalyptic number.

It is an amenable number.

25544241 is a deficient number, since it is larger than the sum of its proper divisors (12614561).

25544241 is an equidigital number, since it uses as much as digits as its factorization.

25544241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315373 (or 315364 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 25544241 is about 5054.1310825898. The cubic root of 25544241 is about 294.5083873575.

Adding to 25544241 its reverse (14244552), we get a palindrome (39788793).

The spelling of 25544241 in words is "twenty-five million, five hundred forty-four thousand, two hundred forty-one".