531163 has 2 divisors, whose sum is σ = 531164. Its totient is φ = 531162.

The previous prime is 531143. The next prime is 531169. The reversal of 531163 is 361135.

531163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-531163 is a prime.

531163 is a lucky number.

It is a nialpdrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 531163.

It is not a weakly prime, because it can be changed into another prime (531169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265581 + 265582.

It is an arithmetic number, because the mean of its divisors is an integer number (265582).

2⁵³¹¹⁶³ is an apocalyptic number.

531163 is a deficient number, since it is larger than the sum of its proper divisors (1).

531163 is an equidigital number, since it uses as much as digits as its factorization.

531163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 270, while the sum is 19.

The square root of 531163 is about 728.8093029044. The cubic root of 531163 is about 80.9858736733.

Adding to 531163 its reverse (361135), we get a palindrome (892298).

The spelling of 531163 in words is "five hundred thirty-one thousand, one hundred sixty-three".