8052663221 has 2 divisors, whose sum is σ = 8052663222. Its totient is φ = 8052663220.

The previous prime is 8052663127. The next prime is 8052663233. The reversal of 8052663221 is 1223662508.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6086184196 + 1966479025 = 78014^2 + 44345^2 .

It is a cyclic number.

It is not a de Polignac number, because 8052663221 - 2¹⁰ = 8052662197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8052663121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4026331610 + 4026331611.

It is an arithmetic number, because the mean of its divisors is an integer number (4026331611).

Almost surely, 2^8052663221 is an apocalyptic number.

It is an amenable number.

8052663221 is a deficient number, since it is larger than the sum of its proper divisors (1).

8052663221 is an equidigital number, since it uses as much as digits as its factorization.

8052663221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 8052663221 is about 89736.6325476948. The cubic root of 8052663221 is about 2004.3790069017.

The spelling of 8052663221 in words is "eight billion, fifty-two million, six hundred sixty-three thousand, two hundred twenty-one".