25444241 has 4 divisors (see below), whose sum is σ = 25766400. Its totient is φ = 25122084.

The previous prime is 25444219. The next prime is 25444253. The reversal of 25444241 is 14244452.

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 25444241 - 2¹⁰ = 25443217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 25444241.

It is not an unprimeable number, because it can be changed into a prime (25444201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160961 + ... + 161118.

It is an arithmetic number, because the mean of its divisors is an integer number (6441600).

Almost surely, 2^25444241 is an apocalyptic number.

It is an amenable number.

25444241 is a deficient number, since it is larger than the sum of its proper divisors (322159).

25444241 is an equidigital number, since it uses as much as digits as its factorization.

25444241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322158.

The product of its digits is 5120, while the sum is 26.

The square root of 25444241 is about 5044.2284841193. The cubic root of 25444241 is about 294.1235732398.

Adding to 25444241 its reverse (14244452), we get a palindrome (39688693).

The spelling of 25444241 in words is "twenty-five million, four hundred forty-four thousand, two hundred forty-one".