25293211 has 2 divisors, whose sum is σ = 25293212. Its totient is φ = 25293210.

The previous prime is 25293209. The next prime is 25293221. The reversal of 25293211 is 11239252.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25293211 - 2¹ = 25293209 is a prime.

Together with 25293209, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (25293221) 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, 12646605 + 12646606.

It is an arithmetic number, because the mean of its divisors is an integer number (12646606).

Almost surely, 2^25293211 is an apocalyptic number.

25293211 is a deficient number, since it is larger than the sum of its proper divisors (1).

25293211 is an equidigital number, since it uses as much as digits as its factorization.

25293211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 25.

The square root of 25293211 is about 5029.2356278067. The cubic root of 25293211 is about 293.5404725233.

The spelling of 25293211 in words is "twenty-five million, two hundred ninety-three thousand, two hundred eleven".