541517849 has 2 divisors, whose sum is σ = 541517850. Its totient is φ = 541517848.

The previous prime is 541517843. The next prime is 541517887. The reversal of 541517849 is 948715145.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 531072025 + 10445824 = 23045^2 + 3232^2 .

It is a cyclic number.

It is not a de Polignac number, because 541517849 - 2²⁴ = 524740633 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (541517843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270758924 + 270758925.

It is an arithmetic number, because the mean of its divisors is an integer number (270758925).

Almost surely, 2^541517849 is an apocalyptic number.

It is an amenable number.

541517849 is a deficient number, since it is larger than the sum of its proper divisors (1).

541517849 is an equidigital number, since it uses as much as digits as its factorization.

541517849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 201600, while the sum is 44.

The square root of 541517849 is about 23270.5360703186. The cubic root of 541517849 is about 815.0875482751.

The spelling of 541517849 in words is "five hundred forty-one million, five hundred seventeen thousand, eight hundred forty-nine".