306682241 has 2 divisors, whose sum is σ = 306682242. Its totient is φ = 306682240.

The previous prime is 306682231. The next prime is 306682273. The reversal of 306682241 is 142286603.

It is an a-pointer prime, because the next prime (306682273) can be obtained adding 306682241 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 302899216 + 3783025 = 17404^2 + 1945^2 .

It is an emirp because it is prime and its reverse (142286603) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-306682241 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 306682198 and 306682207.

It is not a weakly prime, because it can be changed into another prime (306682231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153341120 + 153341121.

It is an arithmetic number, because the mean of its divisors is an integer number (153341121).

Almost surely, 2^306682241 is an apocalyptic number.

It is an amenable number.

306682241 is a deficient number, since it is larger than the sum of its proper divisors (1).

306682241 is an equidigital number, since it uses as much as digits as its factorization.

306682241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 306682241 is about 17512.3453883253. The cubic root of 306682241 is about 674.3668436820.

The spelling of 306682241 in words is "three hundred six million, six hundred eighty-two thousand, two hundred forty-one".