541033305213521 has 2 divisors, whose sum is σ = 541033305213522. Its totient is φ = 541033305213520.

The previous prime is 541033305213493. The next prime is 541033305213523. The reversal of 541033305213521 is 125312503330145.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 287328298479121 + 253705006734400 = 16950761^2 + 15928120^2 .

It is a cyclic number.

It is not a de Polignac number, because 541033305213521 - 2²² = 541033301019217 is a prime.

Together with 541033305213523, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (541033305213523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270516652606760 + 270516652606761.

It is an arithmetic number, because the mean of its divisors is an integer number (270516652606761).

Almost surely, 2^{541033305213521} is an apocalyptic number.

It is an amenable number.

541033305213521 is a deficient number, since it is larger than the sum of its proper divisors (1).

541033305213521 is an equidigital number, since it uses as much as digits as its factorization.

541033305213521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162000, while the sum is 38.

Adding to 541033305213521 its reverse (125312503330145), we get a palindrome (666345808543666).

The spelling of 541033305213521 in words is "five hundred forty-one trillion, thirty-three billion, three hundred five million, two hundred thirteen thousand, five hundred twenty-one".