25505327 has 2 divisors, whose sum is σ = 25505328. Its totient is φ = 25505326.

The previous prime is 25505323. The next prime is 25505339. The reversal of 25505327 is 72350552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25505327 - 2² = 25505323 is a prime.

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 25505327.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25505323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12752663 + 12752664.

It is an arithmetic number, because the mean of its divisors is an integer number (12752664).

Almost surely, 2^25505327 is an apocalyptic number.

25505327 is a deficient number, since it is larger than the sum of its proper divisors (1).

25505327 is an equidigital number, since it uses as much as digits as its factorization.

25505327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10500, while the sum is 29.

The square root of 25505327 is about 5050.2798932336. The cubic root of 25505327 is about 294.3587603641.

Adding to 25505327 its reverse (72350552), we get a palindrome (97855879).

The spelling of 25505327 in words is "twenty-five million, five hundred five thousand, three hundred twenty-seven".