9481321 has 2 divisors, whose sum is σ = 9481322. Its totient is φ = 9481320.

The previous prime is 9481309. The next prime is 9481327. The reversal of 9481321 is 1231849.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5221225 + 4260096 = 2285^2 + 2064^2 .

It is a cyclic number.

It is not a de Polignac number, because 9481321 - 2⁷ = 9481193 is a prime.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 9481321.

It is not a weakly prime, because it can be changed into another prime (9481327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4740660 + 4740661.

It is an arithmetic number, because the mean of its divisors is an integer number (4740661).

Almost surely, 2^9481321 is an apocalyptic number.

It is an amenable number.

9481321 is a deficient number, since it is larger than the sum of its proper divisors (1).

9481321 is an equidigital number, since it uses as much as digits as its factorization.

9481321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 28.

The square root of 9481321 is about 3079.1753766228. The cubic root of 9481321 is about 211.6522794556.

The spelling of 9481321 in words is "nine million, four hundred eighty-one thousand, three hundred twenty-one".