25514443 has 2 divisors, whose sum is σ = 25514444. Its totient is φ = 25514442.

The previous prime is 25514441. The next prime is 25514453. The reversal of 25514443 is 34441552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25514443 - 2¹ = 25514441 is a prime.

Together with 25514441, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (25514441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12757221 + 12757222.

It is an arithmetic number, because the mean of its divisors is an integer number (12757222).

Almost surely, 2^25514443 is an apocalyptic number.

25514443 is a deficient number, since it is larger than the sum of its proper divisors (1).

25514443 is an equidigital number, since it uses as much as digits as its factorization.

25514443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9600, while the sum is 28.

The square root of 25514443 is about 5051.1823368396. The cubic root of 25514443 is about 294.3938256510.

Adding to 25514443 its reverse (34441552), we get a palindrome (59955995).

The spelling of 25514443 in words is "twenty-five million, five hundred fourteen thousand, four hundred forty-three".