485806511 has 2 divisors, whose sum is σ = 485806512. Its totient is φ = 485806510.

The previous prime is 485806403. The next prime is 485806543. The reversal of 485806511 is 115608584.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 485806511 - 2¹⁰ = 485805487 is a prime.

It is a super-2 number, since 2×485806511² = 472015932259986242, which contains 22 as substring.

It is a Chen prime.

It is equal to p_25646708 and since 485806511 and 25646708 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (485806571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242903255 + 242903256.

It is an arithmetic number, because the mean of its divisors is an integer number (242903256).

Almost surely, 2^485806511 is an apocalyptic number.

485806511 is a deficient number, since it is larger than the sum of its proper divisors (1).

485806511 is an equidigital number, since it uses as much as digits as its factorization.

485806511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38400, while the sum is 38.

The square root of 485806511 is about 22041.0188285388. The cubic root of 485806511 is about 786.1180660114.

The spelling of 485806511 in words is "four hundred eighty-five million, eight hundred six thousand, five hundred eleven".