538102217 has 2 divisors, whose sum is σ = 538102218. Its totient is φ = 538102216.

The previous prime is 538102171. The next prime is 538102237. The reversal of 538102217 is 712201835.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 350850361 + 187251856 = 18731^2 + 13684^2 .

It is a cyclic number.

It is not a de Polignac number, because 538102217 - 2⁸ = 538101961 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 538102217.

It is not a weakly prime, because it can be changed into another prime (538102237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269051108 + 269051109.

It is an arithmetic number, because the mean of its divisors is an integer number (269051109).

Almost surely, 2^538102217 is an apocalyptic number.

It is an amenable number.

538102217 is a deficient number, since it is larger than the sum of its proper divisors (1).

538102217 is an equidigital number, since it uses as much as digits as its factorization.

538102217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 538102217 is about 23197.0303487321. The cubic root of 538102217 is about 813.3702068109.

The spelling of 538102217 in words is "five hundred thirty-eight million, one hundred two thousand, two hundred seventeen".