5273508221 has 2 divisors, whose sum is σ = 5273508222. Its totient is φ = 5273508220.

The previous prime is 5273508209. The next prime is 5273508263. The reversal of 5273508221 is 1228053725.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5114395225 + 159112996 = 71515^2 + 12614^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5273508221 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5273508271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2636754110 + 2636754111.

It is an arithmetic number, because the mean of its divisors is an integer number (2636754111).

Almost surely, 2^5273508221 is an apocalyptic number.

It is an amenable number.

5273508221 is a deficient number, since it is larger than the sum of its proper divisors (1).

5273508221 is an equidigital number, since it uses as much as digits as its factorization.

5273508221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 5273508221 is about 72618.9246753214. The cubic root of 5273508221 is about 1740.6035934957.

The spelling of 5273508221 in words is "five billion, two hundred seventy-three million, five hundred eight thousand, two hundred twenty-one".