5322721 has 2 divisors, whose sum is σ = 5322722. Its totient is φ = 5322720.

The previous prime is 5322701. The next prime is 5322739. The reversal of 5322721 is 1272235.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5267025 + 55696 = 2295^2 + 236^2 .

It is a cyclic number.

It is not a de Polignac number, because 5322721 - 2¹¹ = 5320673 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5322692 and 5322701.

It is not a weakly prime, because it can be changed into another prime (5322701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2661360 + 2661361.

It is an arithmetic number, because the mean of its divisors is an integer number (2661361).

Almost surely, 2^5322721 is an apocalyptic number.

It is an amenable number.

5322721 is a deficient number, since it is larger than the sum of its proper divisors (1).

5322721 is an equidigital number, since it uses as much as digits as its factorization.

5322721 is an evil number, because the sum of its binary digits is even.

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

The square root of 5322721 is about 2307.1022950879. The cubic root of 5322721 is about 174.6001319111.

Adding to 5322721 its reverse (1272235), we get a palindrome (6594956).

The spelling of 5322721 in words is "five million, three hundred twenty-two thousand, seven hundred twenty-one".