4063421 has 2 divisors, whose sum is σ = 4063422. Its totient is φ = 4063420.

The previous prime is 4063417. The next prime is 4063429. The reversal of 4063421 is 1243604.

It is a happy number.

4063421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4056196 + 7225 = 2014^2 + 85^2 .

It is a cyclic number.

It is not a de Polignac number, because 4063421 - 2² = 4063417 is a prime.

It is a super-2 number, since 2×4063421² = 33022780446482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4063393 and 4063402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4063429) 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, 2031710 + 2031711.

It is an arithmetic number, because the mean of its divisors is an integer number (2031711).

Almost surely, 2^4063421 is an apocalyptic number.

It is an amenable number.

4063421 is a deficient number, since it is larger than the sum of its proper divisors (1).

4063421 is an equidigital number, since it uses as much as digits as its factorization.

4063421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 4063421 is about 2015.7928961081. The cubic root of 4063421 is about 159.5746645839.

The spelling of 4063421 in words is "four million, sixty-three thousand, four hundred twenty-one".