4241002421 has 2 divisors, whose sum is σ = 4241002422. Its totient is φ = 4241002420.

The previous prime is 4241002397. The next prime is 4241002433. The reversal of 4241002421 is 1242001424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2295751396 + 1945251025 = 47914^2 + 44105^2 .

It is a cyclic number.

It is not a de Polignac number, because 4241002421 - 2²² = 4236808117 is a prime.

It is a super-2 number, since 2×4241002421² = 35972203069855722482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4241002393 and 4241002402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4241002471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2120501210 + 2120501211.

It is an arithmetic number, because the mean of its divisors is an integer number (2120501211).

Almost surely, 2^4241002421 is an apocalyptic number.

It is an amenable number.

4241002421 is a deficient number, since it is larger than the sum of its proper divisors (1).

4241002421 is an equidigital number, since it uses as much as digits as its factorization.

4241002421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 4241002421 is about 65122.9792085712. The cubic root of 4241002421 is about 1618.6620081944.

Adding to 4241002421 its reverse (1242001424), we get a palindrome (5483003845).

The spelling of 4241002421 in words is "four billion, two hundred forty-one million, two thousand, four hundred twenty-one".