25514441 has 2 divisors, whose sum is σ = 25514442. Its totient is φ = 25514440.

The previous prime is 25514413. The next prime is 25514443. The reversal of 25514441 is 14441552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25351225 + 163216 = 5035^2 + 404^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25514441 is a prime.

Together with 25514443, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25514441.

It is not a weakly prime, because it can be changed into another prime (25514443) 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 as a sum of consecutive naturals, namely, 12757220 + 12757221.

It is an arithmetic number, because the mean of its divisors is an integer number (12757221).

Almost surely, 2^25514441 is an apocalyptic number.

It is an amenable number.

25514441 is a deficient number, since it is larger than the sum of its proper divisors (1).

25514441 is an equidigital number, since it uses as much as digits as its factorization.

25514441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3200, while the sum is 26.

The square root of 25514441 is about 5051.1821388661. The cubic root of 25514441 is about 294.3938179588.

Adding to 25514441 its reverse (14441552), we get a palindrome (39955993).

The spelling of 25514441 in words is "twenty-five million, five hundred fourteen thousand, four hundred forty-one".