2152008217 has 2 divisors, whose sum is σ = 2152008218. Its totient is φ = 2152008216.

The previous prime is 2152008167. The next prime is 2152008227. The reversal of 2152008217 is 7128002512.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1939169296 + 212838921 = 44036^2 + 14589^2 .

It is a cyclic number.

It is not a de Polignac number, because 2152008217 - 2¹¹ = 2152006169 is a prime.

It is a super-2 number, since 2×2152008217² = 9262278732071038178, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2152008227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076004108 + 1076004109.

It is an arithmetic number, because the mean of its divisors is an integer number (1076004109).

Almost surely, 2^2152008217 is an apocalyptic number.

It is an amenable number.

2152008217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2152008217 is an equidigital number, since it uses as much as digits as its factorization.

2152008217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 2152008217 is about 46389.7425838946. The cubic root of 2152008217 is about 1291.0646054113.

The spelling of 2152008217 in words is "two billion, one hundred fifty-two million, eight thousand, two hundred seventeen".