6241421 has 2 divisors, whose sum is σ = 6241422. Its totient is φ = 6241420.

The previous prime is 6241399. The next prime is 6241429. The reversal of 6241421 is 1241426.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6056521 + 184900 = 2461^2 + 430^2 .

It is a cyclic number.

It is not a de Polignac number, because 6241421 - 2¹⁸ = 5979277 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6241393 and 6241402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6241429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3120710 + 3120711.

It is an arithmetic number, because the mean of its divisors is an integer number (3120711).

Almost surely, 2^6241421 is an apocalyptic number.

It is an amenable number.

6241421 is a deficient number, since it is larger than the sum of its proper divisors (1).

6241421 is an equidigital number, since it uses as much as digits as its factorization.

6241421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384, while the sum is 20.

The square root of 6241421 is about 2498.2836108016. The cubic root of 6241421 is about 184.1172555236.

Adding to 6241421 its reverse (1241426), we get a palindrome (7482847).

The spelling of 6241421 in words is "six million, two hundred forty-one thousand, four hundred twenty-one".