115244321 has 2 divisors, whose sum is σ = 115244322. Its totient is φ = 115244320.

The previous prime is 115244279. The next prime is 115244341. The reversal of 115244321 is 123442511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115240225 + 4096 = 10735^2 + 64^2 .

It is an emirp because it is prime and its reverse (123442511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115244321 - 2¹⁸ = 114982177 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (115244341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57622160 + 57622161.

It is an arithmetic number, because the mean of its divisors is an integer number (57622161).

Almost surely, 2^115244321 is an apocalyptic number.

It is an amenable number.

115244321 is a deficient number, since it is larger than the sum of its proper divisors (1).

115244321 is an equidigital number, since it uses as much as digits as its factorization.

115244321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 960, while the sum is 23.

The square root of 115244321 is about 10735.1907761343. The cubic root of 115244321 is about 486.6385519402.

Adding to 115244321 its reverse (123442511), we get a palindrome (238686832).

The spelling of 115244321 in words is "one hundred fifteen million, two hundred forty-four thousand, three hundred twenty-one".