5135321 has 2 divisors, whose sum is σ = 5135322. Its totient is φ = 5135320.

The previous prime is 5135297. The next prime is 5135323. The reversal of 5135321 is 1235315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4145296 + 990025 = 2036^2 + 995^2 .

It is a cyclic number.

It is not a de Polignac number, because 5135321 - 2⁶ = 5135257 is a prime.

Together with 5135323, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 5135293 and 5135302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5135323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2567660 + 2567661.

It is an arithmetic number, because the mean of its divisors is an integer number (2567661).

Almost surely, 2^5135321 is an apocalyptic number.

It is an amenable number.

5135321 is a deficient number, since it is larger than the sum of its proper divisors (1).

5135321 is an equidigital number, since it uses as much as digits as its factorization.

5135321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 450, while the sum is 20.

The square root of 5135321 is about 2266.1246655910. The cubic root of 5135321 is about 172.5265211621.

The spelling of 5135321 in words is "five million, one hundred thirty-five thousand, three hundred twenty-one".