5246270221 has 2 divisors, whose sum is σ = 5246270222. Its totient is φ = 5246270220.

The previous prime is 5246270207. The next prime is 5246270231. The reversal of 5246270221 is 1220726425.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3829876996 + 1416393225 = 61886^2 + 37635^2 .

It is a cyclic number.

It is not a de Polignac number, because 5246270221 - 2¹¹ = 5246268173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5246270231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2623135110 + 2623135111.

It is an arithmetic number, because the mean of its divisors is an integer number (2623135111).

Almost surely, 2^5246270221 is an apocalyptic number.

It is an amenable number.

5246270221 is a deficient number, since it is larger than the sum of its proper divisors (1).

5246270221 is an equidigital number, since it uses as much as digits as its factorization.

5246270221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 5246270221 is about 72431.1412377301. The cubic root of 5246270221 is about 1737.6016436302.

Adding to 5246270221 its reverse (1220726425), we get a palindrome (6466996646).

The spelling of 5246270221 in words is "five billion, two hundred forty-six million, two hundred seventy thousand, two hundred twenty-one".