325866197 has 2 divisors, whose sum is σ = 325866198. Its totient is φ = 325866196.

The previous prime is 325866193. The next prime is 325866227. The reversal of 325866197 is 791668523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 285238321 + 40627876 = 16889^2 + 6374^2 .

It is a cyclic number.

It is not a de Polignac number, because 325866197 - 2² = 325866193 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 (325866193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162933098 + 162933099.

It is an arithmetic number, because the mean of its divisors is an integer number (162933099).

Almost surely, 2^325866197 is an apocalyptic number.

It is an amenable number.

325866197 is a deficient number, since it is larger than the sum of its proper divisors (1).

325866197 is an equidigital number, since it uses as much as digits as its factorization.

325866197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 47.

The square root of 325866197 is about 18051.7643736007. The cubic root of 325866197 is about 688.1447022176.

It can be divided in two parts, 32586 and 6197, that added together give a palindrome (38783).

The spelling of 325866197 in words is "three hundred twenty-five million, eight hundred sixty-six thousand, one hundred ninety-seven".