163000501 has 2 divisors, whose sum is σ = 163000502. Its totient is φ = 163000500.

The previous prime is 163000499. The next prime is 163000529. The reversal of 163000501 is 105000361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 156375025 + 6625476 = 12505^2 + 2574^2 .

It is an emirp because it is prime and its reverse (105000361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 163000501 - 2¹ = 163000499 is a prime.

Together with 163000499, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163000571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81500250 + 81500251.

It is an arithmetic number, because the mean of its divisors is an integer number (81500251).

Almost surely, 2^163000501 is an apocalyptic number.

It is an amenable number.

163000501 is a deficient number, since it is larger than the sum of its proper divisors (1).

163000501 is an equidigital number, since it uses as much as digits as its factorization.

163000501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 163000501 is about 12767.1649554629. The cubic root of 163000501 is about 546.2561167882.

Adding to 163000501 its reverse (105000361), we get a palindrome (268000862).

The spelling of 163000501 in words is "one hundred sixty-three million, five hundred one", and thus it is an aban number.