243325151 has 2 divisors, whose sum is σ = 243325152. Its totient is φ = 243325150.

The previous prime is 243325129. The next prime is 243325177. The reversal of 243325151 is 151523342.

It is a happy number.

It is an a-pointer prime, because the next prime (243325177) can be obtained adding 243325151 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243325151 - 2²² = 239130847 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 243325151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243325111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121662575 + 121662576.

It is an arithmetic number, because the mean of its divisors is an integer number (121662576).

Almost surely, 2^243325151 is an apocalyptic number.

243325151 is a deficient number, since it is larger than the sum of its proper divisors (1).

243325151 is an equidigital number, since it uses as much as digits as its factorization.

243325151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 26.

The square root of 243325151 is about 15598.8830048821. The cubic root of 243325151 is about 624.3033526338.

Adding to 243325151 its reverse (151523342), we get a palindrome (394848493).

The spelling of 243325151 in words is "two hundred forty-three million, three hundred twenty-five thousand, one hundred fifty-one".