511752089 has 2 divisors, whose sum is σ = 511752090. Its totient is φ = 511752088.

The previous prime is 511752083. The next prime is 511752091. The reversal of 511752089 is 980257115.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 507375625 + 4376464 = 22525^2 + 2092^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-511752089 is a prime.

Together with 511752091, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (511752083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255876044 + 255876045.

It is an arithmetic number, because the mean of its divisors is an integer number (255876045).

Almost surely, 2^511752089 is an apocalyptic number.

It is an amenable number.

511752089 is a deficient number, since it is larger than the sum of its proper divisors (1).

511752089 is an equidigital number, since it uses as much as digits as its factorization.

511752089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 38.

The square root of 511752089 is about 22621.9382237685. The cubic root of 511752089 is about 799.8708588418.

The spelling of 511752089 in words is "five hundred eleven million, seven hundred fifty-two thousand, eighty-nine".