483685781 has 2 divisors, whose sum is σ = 483685782. Its totient is φ = 483685780.

The previous prime is 483685703. The next prime is 483685817. The reversal of 483685781 is 187586384.

Together with next prime (483685817) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 330148900 + 153536881 = 18170^2 + 12391^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-483685781 is a prime.

It is a super-2 number, since 2×483685781² = 467903869483159922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (483625781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 241842890 + 241842891.

It is an arithmetic number, because the mean of its divisors is an integer number (241842891).

Almost surely, 2^483685781 is an apocalyptic number.

It is an amenable number.

483685781 is a deficient number, since it is larger than the sum of its proper divisors (1).

483685781 is an equidigital number, since it uses as much as digits as its factorization.

483685781 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1290240, while the sum is 50.

The square root of 483685781 is about 21992.8574996520. The cubic root of 483685781 is about 784.9724960951.

The spelling of 483685781 in words is "four hundred eighty-three million, six hundred eighty-five thousand, seven hundred eighty-one".