25848197 has 2 divisors, whose sum is σ = 25848198. Its totient is φ = 25848196.

The previous prime is 25848191. The next prime is 25848209. The reversal of 25848197 is 79184852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21242881 + 4605316 = 4609^2 + 2146^2 .

It is a cyclic number.

It is not a de Polignac number, because 25848197 - 2¹² = 25844101 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25848191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12924098 + 12924099.

It is an arithmetic number, because the mean of its divisors is an integer number (12924099).

Almost surely, 2^25848197 is an apocalyptic number.

It is an amenable number.

25848197 is a deficient number, since it is larger than the sum of its proper divisors (1).

25848197 is an equidigital number, since it uses as much as digits as its factorization.

25848197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 44.

The square root of 25848197 is about 5084.1122135531. The cubic root of 25848197 is about 295.6719223867.

The spelling of 25848197 in words is "twenty-five million, eight hundred forty-eight thousand, one hundred ninety-seven".