25683211 has 2 divisors, whose sum is σ = 25683212. Its totient is φ = 25683210.

The previous prime is 25683173. The next prime is 25683223. The reversal of 25683211 is 11238652.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25683211 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 25683211.

It is not a weakly prime, because it can be changed into another prime (25686211) 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, 12841605 + 12841606.

It is an arithmetic number, because the mean of its divisors is an integer number (12841606).

Almost surely, 2^25683211 is an apocalyptic number.

25683211 is a deficient number, since it is larger than the sum of its proper divisors (1).

25683211 is an equidigital number, since it uses as much as digits as its factorization.

25683211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 28.

The square root of 25683211 is about 5067.8605939785. The cubic root of 25683211 is about 295.0414994763.

The spelling of 25683211 in words is "twenty-five million, six hundred eighty-three thousand, two hundred eleven".