538216207 has 2 divisors, whose sum is σ = 538216208. Its totient is φ = 538216206.

The previous prime is 538216199. The next prime is 538216241. The reversal of 538216207 is 702612835.

It is a happy number.

It is an a-pointer prime, because the next prime (538216241) can be obtained adding 538216207 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 538216207 - 2³ = 538216199 is a prime.

It is equal to p_28259701 and since 538216207 and 28259701 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538216507) 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, 269108103 + 269108104.

It is an arithmetic number, because the mean of its divisors is an integer number (269108104).

Almost surely, 2^538216207 is an apocalyptic number.

538216207 is a deficient number, since it is larger than the sum of its proper divisors (1).

538216207 is an equidigital number, since it uses as much as digits as its factorization.

538216207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 538216207 is about 23199.4872141606. The cubic root of 538216207 is about 813.4276367445.

The spelling of 538216207 in words is "five hundred thirty-eight million, two hundred sixteen thousand, two hundred seven".