11170321 has 2 divisors, whose sum is σ = 11170322. Its totient is φ = 11170320.

The previous prime is 11170303. The next prime is 11170331. The reversal of 11170321 is 12307111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9388096 + 1782225 = 3064^2 + 1335^2 .

It is a cyclic number.

It is not a de Polignac number, because 11170321 - 2⁷ = 11170193 is a prime.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 11170295 and 11170304.

It is not a weakly prime, because it can be changed into another prime (11170331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5585160 + 5585161.

It is an arithmetic number, because the mean of its divisors is an integer number (5585161).

Almost surely, 2^11170321 is an apocalyptic number.

It is an amenable number.

11170321 is a deficient number, since it is larger than the sum of its proper divisors (1).

11170321 is an equidigital number, since it uses as much as digits as its factorization.

11170321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 11170321 is about 3342.2030159761. The cubic root of 11170321 is about 223.5399852054.

Adding to 11170321 its reverse (12307111), we get a palindrome (23477432).

The spelling of 11170321 in words is "eleven million, one hundred seventy thousand, three hundred twenty-one".