320741 has 2 divisors, whose sum is σ = 320742. Its totient is φ = 320740.

The previous prime is 320713. The next prime is 320759. The reversal of 320741 is 147023.

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., 297025 + 23716 = 545^2 + 154^2 .

It is a cyclic number.

It is not a de Polignac number, because 320741 - 2¹⁴ = 304357 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160370 + 160371.

It is an arithmetic number, because the mean of its divisors is an integer number (160371).

2³²⁰⁷⁴¹ is an apocalyptic number.

It is an amenable number.

320741 is a deficient number, since it is larger than the sum of its proper divisors (1).

320741 is an equidigital number, since it uses as much as digits as its factorization.

320741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 320741 is about 566.3400038846. The cubic root of 320741 is about 68.4517926752.

Adding to 320741 its reverse (147023), we get a palindrome (467764).

The spelling of 320741 in words is "three hundred twenty thousand, seven hundred forty-one", and thus it is an iban number.