325166243 has 2 divisors, whose sum is σ = 325166244. Its totient is φ = 325166242.

The previous prime is 325166239. The next prime is 325166273. The reversal of 325166243 is 342661523.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 325166243 - 2² = 325166239 is a prime.

It is not a weakly prime, because it can be changed into another prime (325166273) 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, 162583121 + 162583122.

It is an arithmetic number, because the mean of its divisors is an integer number (162583122).

Almost surely, 2^325166243 is an apocalyptic number.

325166243 is a deficient number, since it is larger than the sum of its proper divisors (1).

325166243 is an equidigital number, since it uses as much as digits as its factorization.

325166243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 32.

The square root of 325166243 is about 18032.3665390874. The cubic root of 325166243 is about 687.6516420539.

The spelling of 325166243 in words is "three hundred twenty-five million, one hundred sixty-six thousand, two hundred forty-three".