366242321 has 2 divisors, whose sum is σ = 366242322. Its totient is φ = 366242320.

The previous prime is 366242293. The next prime is 366242329. The reversal of 366242321 is 123242663.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 212110096 + 154132225 = 14564^2 + 12415^2 .

It is a cyclic number.

It is not a de Polignac number, because 366242321 - 2⁶ = 366242257 is a prime.

It is not a weakly prime, because it can be changed into another prime (366242329) 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, 183121160 + 183121161.

It is an arithmetic number, because the mean of its divisors is an integer number (183121161).

Almost surely, 2^366242321 is an apocalyptic number.

It is an amenable number.

366242321 is a deficient number, since it is larger than the sum of its proper divisors (1).

366242321 is an equidigital number, since it uses as much as digits as its factorization.

366242321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 29.

The square root of 366242321 is about 19137.4585825809. The cubic root of 366242321 is about 715.4668384247.

Adding to 366242321 its reverse (123242663), we get a palindrome (489484984).

The spelling of 366242321 in words is "three hundred sixty-six million, two hundred forty-two thousand, three hundred twenty-one".