541120649 has 2 divisors, whose sum is σ = 541120650. Its totient is φ = 541120648.

The previous prime is 541120639. The next prime is 541120663. The reversal of 541120649 is 946021145.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 540237049 + 883600 = 23243^2 + 940^2 .

It is a cyclic number.

It is not a de Polignac number, because 541120649 - 2¹⁶ = 541055113 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (541120639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270560324 + 270560325.

It is an arithmetic number, because the mean of its divisors is an integer number (270560325).

Almost surely, 2^541120649 is an apocalyptic number.

It is an amenable number.

541120649 is a deficient number, since it is larger than the sum of its proper divisors (1).

541120649 is an equidigital number, since it uses as much as digits as its factorization.

541120649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 541120649 is about 23262.0001074714. Note that the first 3 decimals coincide. The cubic root of 541120649 is about 814.8882123013. Note that the first 3 decimals are identical.

The spelling of 541120649 in words is "five hundred forty-one million, one hundred twenty thousand, six hundred forty-nine".