538216241 has 2 divisors, whose sum is σ = 538216242. Its totient is φ = 538216240.

The previous prime is 538216207. The next prime is 538216279. The reversal of 538216241 is 142612835.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 395174641 + 143041600 = 19879^2 + 11960^2 .

It is a cyclic number.

It is not a de Polignac number, because 538216241 - 2¹⁸ = 537954097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 538216198 and 538216207.

It is not a weakly prime, because it can be changed into another prime (538210241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269108120 + 269108121.

It is an arithmetic number, because the mean of its divisors is an integer number (269108121).

Almost surely, 2^538216241 is an apocalyptic number.

It is an amenable number.

538216241 is a deficient number, since it is larger than the sum of its proper divisors (1).

538216241 is an equidigital number, since it uses as much as digits as its factorization.

538216241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 32.

The square root of 538216241 is about 23199.4879469354. The cubic root of 538216241 is about 813.4276538730.

The spelling of 538216241 in words is "five hundred thirty-eight million, two hundred sixteen thousand, two hundred forty-one".