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115321 is a prime number
BaseRepresentation
bin11100001001111001
312212012011
4130021321
512142241
62245521
7660133
oct341171
9185164
10115321
1179708
12568a1
134064b
1430053
1524281
hex1c279

115321 has 2 divisors, whose sum is σ = 115322. Its totient is φ = 115320.

The previous prime is 115319. The next prime is 115327. The reversal of 115321 is 123511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114921 + 400 = 339^2 + 20^2 .

It is a cyclic number.

It is not a de Polignac number, because 115321 - 21 = 115319 is a prime.

Together with 115319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (115327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57660 + 57661.

It is an arithmetic number, because the mean of its divisors is an integer number (57661).

2115321 is an apocalyptic number.

It is an amenable number.

115321 is a deficient number, since it is larger than the sum of its proper divisors (1).

115321 is an equidigital number, since it uses as much as digits as its factorization.

115321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30, while the sum is 13.

The square root of 115321 is about 339.5894580225. The cubic root of 115321 is about 48.6746458008.

Adding to 115321 its reverse (123511), we get a palindrome (238832).

The spelling of 115321 in words is "one hundred fifteen thousand, three hundred twenty-one".