6241021 has 2 divisors, whose sum is σ = 6241022. Its totient is φ = 6241020.

The previous prime is 6241009. The next prime is 6241031. The reversal of 6241021 is 1201426.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5405625 + 835396 = 2325^2 + 914^2 .

It is a cyclic number.

It is not a de Polignac number, because 6241021 - 2⁷ = 6240893 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6240986 and 6241004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6241031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3120510 + 3120511.

It is an arithmetic number, because the mean of its divisors is an integer number (3120511).

Almost surely, 2^6241021 is an apocalyptic number.

It is an amenable number.

6241021 is a deficient number, since it is larger than the sum of its proper divisors (1).

6241021 is an equidigital number, since it uses as much as digits as its factorization.

6241021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 6241021 is about 2498.2035545568. The cubic root of 6241021 is about 184.1133222058.

Adding to 6241021 its reverse (1201426), we get a palindrome (7442447).

The spelling of 6241021 in words is "six million, two hundred forty-one thousand, twenty-one".