4801781 has 2 divisors, whose sum is σ = 4801782. Its totient is φ = 4801780.

The previous prime is 4801729. The next prime is 4801789. The reversal of 4801781 is 1871084.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4774225 + 27556 = 2185^2 + 166^2 .

It is a cyclic number.

It is not a de Polignac number, because 4801781 - 2⁶ = 4801717 is a prime.

It is a super-2 number, since 2×4801781² = 46114201543922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4801789) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2400890 + 2400891.

It is an arithmetic number, because the mean of its divisors is an integer number (2400891).

Almost surely, 2^4801781 is an apocalyptic number.

It is an amenable number.

4801781 is a deficient number, since it is larger than the sum of its proper divisors (1).

4801781 is an equidigital number, since it uses as much as digits as its factorization.

4801781 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 29.

The square root of 4801781 is about 2191.2966481059. The cubic root of 4801781 is about 168.7073937246.

The spelling of 4801781 in words is "four million, eight hundred one thousand, seven hundred eighty-one".