4858781 has 2 divisors, whose sum is σ = 4858782. Its totient is φ = 4858780.

The previous prime is 4858751. The next prime is 4858783. The reversal of 4858781 is 1878584.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4120900 + 737881 = 2030^2 + 859^2 .

It is a cyclic number.

It is not a de Polignac number, because 4858781 - 2⁶ = 4858717 is a prime.

It is a super-2 number, since 2×4858781² = 47215505611922, which contains 22 as substring.

Together with 4858783, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4858783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2429390 + 2429391.

It is an arithmetic number, because the mean of its divisors is an integer number (2429391).

Almost surely, 2^4858781 is an apocalyptic number.

It is an amenable number.

4858781 is a deficient number, since it is larger than the sum of its proper divisors (1).

4858781 is an equidigital number, since it uses as much as digits as its factorization.

4858781 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 71680, while the sum is 41.

The square root of 4858781 is about 2204.2642763516. The cubic root of 4858781 is about 169.3723220030.

The spelling of 4858781 in words is "four million, eight hundred fifty-eight thousand, seven hundred eighty-one".