541221029 has 2 divisors, whose sum is σ = 541221030. Its totient is φ = 541221028.

The previous prime is 541221013. The next prime is 541221067. The reversal of 541221029 is 920122145.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 519384100 + 21836929 = 22790^2 + 4673^2 .

It is a cyclic number.

It is not a de Polignac number, because 541221029 - 2⁴ = 541221013 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 = 541220989 and 541221007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (541223029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270610514 + 270610515.

It is an arithmetic number, because the mean of its divisors is an integer number (270610515).

Almost surely, 2^541221029 is an apocalyptic number.

It is an amenable number.

541221029 is a deficient number, since it is larger than the sum of its proper divisors (1).

541221029 is an equidigital number, since it uses as much as digits as its factorization.

541221029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 541221029 is about 23264.1576034895. The cubic root of 541221029 is about 814.9385975043.

The spelling of 541221029 in words is "five hundred forty-one million, two hundred twenty-one thousand, twenty-nine".