25396211 has 2 divisors, whose sum is σ = 25396212. Its totient is φ = 25396210.

The previous prime is 25396201. The next prime is 25396219. The reversal of 25396211 is 11269352.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25396211 is a prime.

It is a Chen prime.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (25396219) 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, 12698105 + 12698106.

It is an arithmetic number, because the mean of its divisors is an integer number (12698106).

Almost surely, 2^25396211 is an apocalyptic number.

25396211 is a deficient number, since it is larger than the sum of its proper divisors (1).

25396211 is an equidigital number, since it uses as much as digits as its factorization.

25396211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 29.

The square root of 25396211 is about 5039.4653486258. The cubic root of 25396211 is about 293.9383885271.

The spelling of 25396211 in words is "twenty-five million, three hundred ninety-six thousand, two hundred eleven".