5248421 has 2 divisors, whose sum is σ = 5248422. Its totient is φ = 5248420.

The previous prime is 5248381. The next prime is 5248423. The reversal of 5248421 is 1248425.

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., 4456321 + 792100 = 2111^2 + 890^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5248421 is a prime.

Together with 5248423, it forms a pair of twin primes.

It is a Chen prime.

It is a zygodrome in base 4.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5248423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2624210 + 2624211.

It is an arithmetic number, because the mean of its divisors is an integer number (2624211).

Almost surely, 2^5248421 is an apocalyptic number.

It is an amenable number.

5248421 is a deficient number, since it is larger than the sum of its proper divisors (1).

5248421 is an equidigital number, since it uses as much as digits as its factorization.

5248421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2560, while the sum is 26.

The square root of 5248421 is about 2290.9432555173. The cubic root of 5248421 is about 173.7839062239.

The spelling of 5248421 in words is "five million, two hundred forty-eight thousand, four hundred twenty-one".