163042589 has 2 divisors, whose sum is σ = 163042590. Its totient is φ = 163042588.

The previous prime is 163042567. The next prime is 163042613. The reversal of 163042589 is 985240361.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83083225 + 79959364 = 9115^2 + 8942^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163042589 is a 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 (163042549) 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, 81521294 + 81521295.

It is an arithmetic number, because the mean of its divisors is an integer number (81521295).

Almost surely, 2^163042589 is an apocalyptic number.

It is an amenable number.

163042589 is a deficient number, since it is larger than the sum of its proper divisors (1).

163042589 is an equidigital number, since it uses as much as digits as its factorization.

163042589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 163042589 is about 12768.8131398341. The cubic root of 163042589 is about 546.3031286047.

The spelling of 163042589 in words is "one hundred sixty-three million, forty-two thousand, five hundred eighty-nine".