511005241 has 2 divisors, whose sum is σ = 511005242. Its totient is φ = 511005240.

The previous prime is 511005239. The next prime is 511005281. The reversal of 511005241 is 142500115.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 310499641 + 200505600 = 17621^2 + 14160^2 .

It is a cyclic number.

It is not a de Polignac number, because 511005241 - 2¹ = 511005239 is a prime.

It is a super-2 number, since 2×511005241² = 522252712658936162, which contains 22 as substring.

Together with 511005239, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (511005211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255502620 + 255502621.

It is an arithmetic number, because the mean of its divisors is an integer number (255502621).

Almost surely, 2^511005241 is an apocalyptic number.

It is an amenable number.

511005241 is a deficient number, since it is larger than the sum of its proper divisors (1).

511005241 is an equidigital number, since it uses as much as digits as its factorization.

511005241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 511005241 is about 22605.4250347124. The cubic root of 511005241 is about 799.4815604523.

Adding to 511005241 its reverse (142500115), we get a palindrome (653505356).

The spelling of 511005241 in words is "five hundred eleven million, five thousand, two hundred forty-one".