506160989 has 2 divisors, whose sum is σ = 506160990. Its totient is φ = 506160988.

The previous prime is 506160961. The next prime is 506161003. The reversal of 506160989 is 989061605.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 499164964 + 6996025 = 22342^2 + 2645^2 .

It is a cyclic number.

It is not a de Polignac number, because 506160989 - 2¹⁶ = 506095453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (506160929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253080494 + 253080495.

It is an arithmetic number, because the mean of its divisors is an integer number (253080495).

Almost surely, 2^506160989 is an apocalyptic number.

It is an amenable number.

506160989 is a deficient number, since it is larger than the sum of its proper divisors (1).

506160989 is an equidigital number, since it uses as much as digits as its factorization.

506160989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 506160989 is about 22498.0218908241. The cubic root of 506160989 is about 796.9472138765.

The spelling of 506160989 in words is "five hundred six million, one hundred sixty thousand, nine hundred eighty-nine".