25838207 has 2 divisors, whose sum is σ = 25838208. Its totient is φ = 25838206.

The previous prime is 25838201. The next prime is 25838209. The reversal of 25838207 is 70283852.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25838207 - 2⁶ = 25838143 is a prime.

It is a super-2 number, since 2×25838207² = 1335225881949698, which contains 22 as substring.

Together with 25838209, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25838201) 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, 12919103 + 12919104.

It is an arithmetic number, because the mean of its divisors is an integer number (12919104).

Almost surely, 2^25838207 is an apocalyptic number.

25838207 is a deficient number, since it is larger than the sum of its proper divisors (1).

25838207 is an equidigital number, since it uses as much as digits as its factorization.

25838207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 25838207 is about 5083.1296461924. The cubic root of 25838207 is about 295.6338263303.

The spelling of 25838207 in words is "twenty-five million, eight hundred thirty-eight thousand, two hundred seven".