481383421 has 2 divisors, whose sum is σ = 481383422. Its totient is φ = 481383420.

The previous prime is 481383403. The next prime is 481383443. The reversal of 481383421 is 124383184.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 475676100 + 5707321 = 21810^2 + 2389^2 .

It is a cyclic number.

It is not a de Polignac number, because 481383421 - 2⁷ = 481383293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (481383401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240691710 + 240691711.

It is an arithmetic number, because the mean of its divisors is an integer number (240691711).

Almost surely, 2^481383421 is an apocalyptic number.

It is an amenable number.

481383421 is a deficient number, since it is larger than the sum of its proper divisors (1).

481383421 is an equidigital number, since it uses as much as digits as its factorization.

481383421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 34.

The square root of 481383421 is about 21940.4517045570. The cubic root of 481383421 is about 783.7250164711.

The spelling of 481383421 in words is "four hundred eighty-one million, three hundred eighty-three thousand, four hundred twenty-one".