5241948221 has 2 divisors, whose sum is σ = 5241948222. Its totient is φ = 5241948220.

The previous prime is 5241948169. The next prime is 5241948223. The reversal of 5241948221 is 1228491425.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4333588900 + 908359321 = 65830^2 + 30139^2 .

It is a cyclic number.

It is not a de Polignac number, because 5241948221 - 2¹⁰ = 5241947197 is a prime.

Together with 5241948223, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5241948223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2620974110 + 2620974111.

It is an arithmetic number, because the mean of its divisors is an integer number (2620974111).

Almost surely, 2^5241948221 is an apocalyptic number.

It is an amenable number.

5241948221 is a deficient number, since it is larger than the sum of its proper divisors (1).

5241948221 is an equidigital number, since it uses as much as digits as its factorization.

5241948221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46080, while the sum is 38.

The square root of 5241948221 is about 72401.2998571158. The cubic root of 5241948221 is about 1737.1243535928.

The spelling of 5241948221 in words is "five billion, two hundred forty-one million, nine hundred forty-eight thousand, two hundred twenty-one".