5421329 has 2 divisors, whose sum is σ = 5421330. Its totient is φ = 5421328.

The previous prime is 5421323. The next prime is 5421337. The reversal of 5421329 is 9231245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5414929 + 6400 = 2327^2 + 80^2 .

It is a cyclic number.

It is not a de Polignac number, because 5421329 - 2¹² = 5417233 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5421298 and 5421307.

It is not a weakly prime, because it can be changed into another prime (5421323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2710664 + 2710665.

It is an arithmetic number, because the mean of its divisors is an integer number (2710665).

Almost surely, 2^5421329 is an apocalyptic number.

It is an amenable number.

5421329 is a deficient number, since it is larger than the sum of its proper divisors (1).

5421329 is an equidigital number, since it uses as much as digits as its factorization.

5421329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 26.

The square root of 5421329 is about 2328.3747550598. The cubic root of 5421329 is about 175.6717474119.

The spelling of 5421329 in words is "five million, four hundred twenty-one thousand, three hundred twenty-nine".