5323421 has 2 divisors, whose sum is σ = 5323422. Its totient is φ = 5323420.

The previous prime is 5323403. The next prime is 5323427. The reversal of 5323421 is 1243235.

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., 3115225 + 2208196 = 1765^2 + 1486^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5323421 is a prime.

It is a super-2 number, since 2×5323421² = 56677622286482, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 5323393 and 5323402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5323427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2661710 + 2661711.

It is an arithmetic number, because the mean of its divisors is an integer number (2661711).

Almost surely, 2^5323421 is an apocalyptic number.

It is an amenable number.

5323421 is a deficient number, since it is larger than the sum of its proper divisors (1).

5323421 is an equidigital number, since it uses as much as digits as its factorization.

5323421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 20.

The square root of 5323421 is about 2307.2539955540. The cubic root of 5323421 is about 174.6077855613.

Adding to 5323421 its reverse (1243235), we get a palindrome (6566656).

The spelling of 5323421 in words is "five million, three hundred twenty-three thousand, four hundred twenty-one".