506162989 has 2 divisors, whose sum is σ = 506162990. Its totient is φ = 506162988.

The previous prime is 506162953. The next prime is 506163037. The reversal of 506162989 is 989261605.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 254147364 + 252015625 = 15942^2 + 15875^2 .

It is a cyclic number.

It is not a de Polignac number, because 506162989 - 2⁷ = 506162861 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 (506162939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253081494 + 253081495.

It is an arithmetic number, because the mean of its divisors is an integer number (253081495).

Almost surely, 2^506162989 is an apocalyptic number.

It is an amenable number.

506162989 is a deficient number, since it is larger than the sum of its proper divisors (1).

506162989 is an equidigital number, since it uses as much as digits as its factorization.

506162989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 506162989 is about 22498.0663391323. The cubic root of 506162989 is about 796.9482635375.

The spelling of 506162989 in words is "five hundred six million, one hundred sixty-two thousand, nine hundred eighty-nine".