241421533 has 2 divisors, whose sum is σ = 241421534. Its totient is φ = 241421532.

The previous prime is 241421527. The next prime is 241421561. The reversal of 241421533 is 335124142.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 237838084 + 3583449 = 15422^2 + 1893^2 .

It is a cyclic number.

It is not a de Polignac number, because 241421533 - 2¹⁷ = 241290461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 241421498 and 241421507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241421833) 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, 120710766 + 120710767.

It is an arithmetic number, because the mean of its divisors is an integer number (120710767).

Almost surely, 2^241421533 is an apocalyptic number.

It is an amenable number.

241421533 is a deficient number, since it is larger than the sum of its proper divisors (1).

241421533 is an equidigital number, since it uses as much as digits as its factorization.

241421533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 25.

The square root of 241421533 is about 15537.7454284719. The cubic root of 241421533 is about 622.6710404556.

Adding to 241421533 its reverse (335124142), we get a palindrome (576545675).

The spelling of 241421533 in words is "two hundred forty-one million, four hundred twenty-one thousand, five hundred thirty-three".