538968071 has 2 divisors, whose sum is σ = 538968072. Its totient is φ = 538968070.

The previous prime is 538968043. The next prime is 538968091. The reversal of 538968071 is 170869835.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 538968071 - 2⁶ = 538968007 is a prime.

It is a super-2 number, since 2×538968071² = 580973163114922082, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538968091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269484035 + 269484036.

It is an arithmetic number, because the mean of its divisors is an integer number (269484036).

Almost surely, 2^538968071 is an apocalyptic number.

538968071 is a deficient number, since it is larger than the sum of its proper divisors (1).

538968071 is an equidigital number, since it uses as much as digits as its factorization.

538968071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 538968071 is about 23215.6858826096. The cubic root of 538968071 is about 813.8062345292.

The spelling of 538968071 in words is "five hundred thirty-eight million, nine hundred sixty-eight thousand, seventy-one".