485711983 has 2 divisors, whose sum is σ = 485711984. Its totient is φ = 485711982.

The previous prime is 485711969. The next prime is 485712001. The reversal of 485711983 is 389117584.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-485711983 is a prime.

It is a super-2 number, since 2×485711983² = 471832260859584578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (485711903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242855991 + 242855992.

It is an arithmetic number, because the mean of its divisors is an integer number (242855992).

Almost surely, 2^485711983 is an apocalyptic number.

485711983 is a deficient number, since it is larger than the sum of its proper divisors (1).

485711983 is an equidigital number, since it uses as much as digits as its factorization.

485711983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 46.

The square root of 485711983 is about 22038.8743587326. The cubic root of 485711983 is about 786.0670752108.

The spelling of 485711983 in words is "four hundred eighty-five million, seven hundred eleven thousand, nine hundred eighty-three".