163042613 has 2 divisors, whose sum is σ = 163042614. Its totient is φ = 163042612.

The previous prime is 163042589. The next prime is 163042619. The reversal of 163042613 is 316240361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142038724 + 21003889 = 11918^2 + 4583^2 .

It is a cyclic number.

It is not a de Polignac number, because 163042613 - 2⁶ = 163042549 is a prime.

It is a super-3 number, since 3×163042613³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163042619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81521306 + 81521307.

It is an arithmetic number, because the mean of its divisors is an integer number (81521307).

Almost surely, 2^163042613 is an apocalyptic number.

It is an amenable number.

163042613 is a deficient number, since it is larger than the sum of its proper divisors (1).

163042613 is an equidigital number, since it uses as much as digits as its factorization.

163042613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 163042613 is about 12768.8140796238. The cubic root of 163042613 is about 546.3031554101.

Adding to 163042613 its reverse (316240361), we get a palindrome (479282974).

The spelling of 163042613 in words is "one hundred sixty-three million, forty-two thousand, six hundred thirteen".