241421 has 2 divisors, whose sum is σ = 241422. Its totient is φ = 241420.

The previous prime is 241393. The next prime is 241429. The reversal of 241421 is 124142.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 212521 + 28900 = 461^2 + 170^2 .

It is a cyclic number.

It is not a de Polignac number, because 241421 - 2¹⁴ = 225037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 241396 and 241405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241429) 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, 120710 + 120711.

It is an arithmetic number, because the mean of its divisors is an integer number (120711).

2²⁴¹⁴²¹ is an apocalyptic number.

It is an amenable number.

241421 is a deficient number, since it is larger than the sum of its proper divisors (1).

241421 is an equidigital number, since it uses as much as digits as its factorization.

241421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64, while the sum is 14.

The square root of 241421 is about 491.3461101912. The cubic root of 241421 is about 62.2670582220.

Adding to 241421 its reverse (124142), we get a palindrome (365563).

The spelling of 241421 in words is "two hundred forty-one thousand, four hundred twenty-one", and thus it is an iban number.