4512135217 has 2 divisors, whose sum is σ = 4512135218. Its totient is φ = 4512135216.

The previous prime is 4512135149. The next prime is 4512135283. The reversal of 4512135217 is 7125312154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4380321856 + 131813361 = 66184^2 + 11481^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4512135217 is a prime.

It is not a weakly prime, because it can be changed into another prime (4512139217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2256067608 + 2256067609.

It is an arithmetic number, because the mean of its divisors is an integer number (2256067609).

Almost surely, 2^4512135217 is an apocalyptic number.

It is an amenable number.

4512135217 is a deficient number, since it is larger than the sum of its proper divisors (1).

4512135217 is an equidigital number, since it uses as much as digits as its factorization.

4512135217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8400, while the sum is 31.

The square root of 4512135217 is about 67172.4289943426. The cubic root of 4512135217 is about 1652.4463518097.

The spelling of 4512135217 in words is "four billion, five hundred twelve million, one hundred thirty-five thousand, two hundred seventeen".