511752161 has 2 divisors, whose sum is σ = 511752162. Its totient is φ = 511752160.

The previous prime is 511752107. The next prime is 511752179. The reversal of 511752161 is 161257115.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 504271936 + 7480225 = 22456^2 + 2735^2 .

It is a cyclic number.

It is not a de Polignac number, because 511752161 - 2¹⁰ = 511751137 is a prime.

It is not a weakly prime, because it can be changed into another prime (511752191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255876080 + 255876081.

It is an arithmetic number, because the mean of its divisors is an integer number (255876081).

Almost surely, 2^511752161 is an apocalyptic number.

It is an amenable number.

511752161 is a deficient number, since it is larger than the sum of its proper divisors (1).

511752161 is an equidigital number, since it uses as much as digits as its factorization.

511752161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2100, while the sum is 29.

The square root of 511752161 is about 22621.9398151441. The cubic root of 511752161 is about 799.8708963539.

The spelling of 511752161 in words is "five hundred eleven million, seven hundred fifty-two thousand, one hundred sixty-one".