5740321 has 2 divisors, whose sum is σ = 5740322. Its totient is φ = 5740320.

The previous prime is 5740309. The next prime is 5740327. The reversal of 5740321 is 1230475.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3294225 + 2446096 = 1815^2 + 1564^2 .

It is a cyclic number.

It is not a de Polignac number, because 5740321 - 2⁷ = 5740193 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 5740292 and 5740301.

It is not a weakly prime, because it can be changed into another prime (5740327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2870160 + 2870161.

It is an arithmetic number, because the mean of its divisors is an integer number (2870161).

Almost surely, 2^5740321 is an apocalyptic number.

It is an amenable number.

5740321 is a deficient number, since it is larger than the sum of its proper divisors (1).

5740321 is an equidigital number, since it uses as much as digits as its factorization.

5740321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 5740321 is about 2395.8967006113. The cubic root of 5740321 is about 179.0518144269.

Adding to 5740321 its reverse (1230475), we get a palindrome (6970796).

The spelling of 5740321 in words is "five million, seven hundred forty thousand, three hundred twenty-one".