481890841 has 2 divisors, whose sum is σ = 481890842. Its totient is φ = 481890840.

The previous prime is 481890821. The next prime is 481890847. The reversal of 481890841 is 148098184.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 295977616 + 185913225 = 17204^2 + 13635^2 .

It is a cyclic number.

It is not a de Polignac number, because 481890841 - 2⁹ = 481890329 is a prime.

It is not a weakly prime, because it can be changed into another prime (481890847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240945420 + 240945421.

It is an arithmetic number, because the mean of its divisors is an integer number (240945421).

Almost surely, 2^481890841 is an apocalyptic number.

It is an amenable number.

481890841 is a deficient number, since it is larger than the sum of its proper divisors (1).

481890841 is an equidigital number, since it uses as much as digits as its factorization.

481890841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73728, while the sum is 43.

The square root of 481890841 is about 21952.0122312284. The cubic root of 481890841 is about 784.0002912197. Note that the first 3 decimals are identical.

It can be divided in two parts, 4818 and 90841, that added together give a palindrome (95659).

The spelling of 481890841 in words is "four hundred eighty-one million, eight hundred ninety thousand, eight hundred forty-one".