541363643 has 2 divisors, whose sum is σ = 541363644. Its totient is φ = 541363642.

The previous prime is 541363591. The next prime is 541363661. The reversal of 541363643 is 346363145.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 541363643 - 2²⁰ = 540315067 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (541369643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270681821 + 270681822.

It is an arithmetic number, because the mean of its divisors is an integer number (270681822).

Almost surely, 2^541363643 is an apocalyptic number.

541363643 is a deficient number, since it is larger than the sum of its proper divisors (1).

541363643 is an equidigital number, since it uses as much as digits as its factorization.

541363643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 35.

The square root of 541363643 is about 23267.2225029117. Note that the first 3 decimals coincide. The cubic root of 541363643 is about 815.0101711253.

The spelling of 541363643 in words is "five hundred forty-one million, three hundred sixty-three thousand, six hundred forty-three".