5341421221 has 2 divisors, whose sum is σ = 5341421222. Its totient is φ = 5341421220.

The previous prime is 5341421219. The next prime is 5341421273. The reversal of 5341421221 is 1221241435.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2904024321 + 2437396900 = 53889^2 + 49370^2 .

It is a cyclic number.

It is not a de Polignac number, because 5341421221 - 2¹ = 5341421219 is a prime.

Together with 5341421219, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5341421201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2670710610 + 2670710611.

It is an arithmetic number, because the mean of its divisors is an integer number (2670710611).

Almost surely, 2^5341421221 is an apocalyptic number.

It is an amenable number.

5341421221 is a deficient number, since it is larger than the sum of its proper divisors (1).

5341421221 is an equidigital number, since it uses as much as digits as its factorization.

5341421221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1920, while the sum is 25.

The square root of 5341421221 is about 73085.0273380259. The cubic root of 5341421221 is about 1748.0436609916.

Adding to 5341421221 its reverse (1221241435), we get a palindrome (6562662656).

The spelling of 5341421221 in words is "five billion, three hundred forty-one million, four hundred twenty-one thousand, two hundred twenty-one".