25416241 has 4 divisors (see below), whose sum is σ = 26911332. Its totient is φ = 23921152.

The previous prime is 25416233. The next prime is 25416247. The reversal of 25416241 is 14261452.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20286016 + 5130225 = 4504^2 + 2265^2 .

It is a cyclic number.

It is not a de Polignac number, because 25416241 - 2³ = 25416233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25416247) 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 3 ways as a sum of consecutive naturals, for example, 747520 + ... + 747553.

It is an arithmetic number, because the mean of its divisors is an integer number (6727833).

Almost surely, 2^25416241 is an apocalyptic number.

It is an amenable number.

25416241 is a deficient number, since it is larger than the sum of its proper divisors (1495091).

25416241 is a wasteful number, since it uses less digits than its factorization.

25416241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495090.

The product of its digits is 1920, while the sum is 25.

The square root of 25416241 is about 5041.4522709235. The cubic root of 25416241 is about 294.0156446547.

Adding to 25416241 its reverse (14261452), we get a palindrome (39677693).

It can be divided in two parts, 254 and 16241, that multiplied together give a palindrome (4125214).

The spelling of 25416241 in words is "twenty-five million, four hundred sixteen thousand, two hundred forty-one".