538030217 has 2 divisors, whose sum is σ = 538030218. Its totient is φ = 538030216.

The previous prime is 538030183. The next prime is 538030267. The reversal of 538030217 is 712030835.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 415507456 + 122522761 = 20384^2 + 11069^2 .

It is a cyclic number.

It is not a de Polignac number, because 538030217 - 2¹² = 538026121 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 538030217.

It is not a weakly prime, because it can be changed into another prime (538030267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269015108 + 269015109.

It is an arithmetic number, because the mean of its divisors is an integer number (269015109).

Almost surely, 2^538030217 is an apocalyptic number.

It is an amenable number.

538030217 is a deficient number, since it is larger than the sum of its proper divisors (1).

538030217 is an equidigital number, since it uses as much as digits as its factorization.

538030217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 538030217 is about 23195.4783740280. The cubic root of 538030217 is about 813.3339279125. Note that the first 3 decimals are identical.

The spelling of 538030217 in words is "five hundred thirty-eight million, thirty thousand, two hundred seventeen".