538268947 has 2 divisors, whose sum is σ = 538268948. Its totient is φ = 538268946.

The previous prime is 538268897. The next prime is 538268981. The reversal of 538268947 is 749862835.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 538268947 - 2¹¹ = 538266899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 538268894 and 538268903.

It is not a weakly prime, because it can be changed into another prime (538268987) 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, 269134473 + 269134474.

It is an arithmetic number, because the mean of its divisors is an integer number (269134474).

Almost surely, 2^538268947 is an apocalyptic number.

538268947 is a deficient number, since it is larger than the sum of its proper divisors (1).

538268947 is an equidigital number, since it uses as much as digits as its factorization.

538268947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2903040, while the sum is 52.

The square root of 538268947 is about 23200.6238493709. The cubic root of 538268947 is about 813.4542052324.

The spelling of 538268947 in words is "five hundred thirty-eight million, two hundred sixty-eight thousand, nine hundred forty-seven".