241523522541421 has 4 divisors (see below), whose sum is σ = 244832063946172. Its totient is φ = 238214981136672.

The previous prime is 241523522541409. The next prime is 241523522541463. The reversal of 241523522541421 is 124145225325142.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 199094075404900 + 42429447136521 = 14110070^2 + 6513789^2 .

It is a cyclic number.

It is not a de Polignac number, because 241523522541421 - 2⁷ = 241523522541293 is a prime.

It is a super-2 number, since 2×241523522541421² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241523522541481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1654270702266 + ... + 1654270702411.

It is an arithmetic number, because the mean of its divisors is an integer number (61208015986543).

Almost surely, 2^{241523522541421} is an apocalyptic number.

It is an amenable number.

241523522541421 is a deficient number, since it is larger than the sum of its proper divisors (3308541404751).

241523522541421 is an equidigital number, since it uses as much as digits as its factorization.

241523522541421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3308541404750.

The product of its digits is 768000, while the sum is 43.

Adding to 241523522541421 its reverse (124145225325142), we get a palindrome (365668747866563).

The spelling of 241523522541421 in words is "two hundred forty-one trillion, five hundred twenty-three billion, five hundred twenty-two million, five hundred forty-one thousand, four hundred twenty-one".