541635161 has 2 divisors, whose sum is σ = 541635162. Its totient is φ = 541635160.

The previous prime is 541635137. The next prime is 541635179. The reversal of 541635161 is 161536145.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 478734400 + 62900761 = 21880^2 + 7931^2 .

It is a cyclic number.

It is not a de Polignac number, because 541635161 - 2²² = 537440857 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (541635121) 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, 270817580 + 270817581.

It is an arithmetic number, because the mean of its divisors is an integer number (270817581).

Almost surely, 2^541635161 is an apocalyptic number.

It is an amenable number.

541635161 is a deficient number, since it is larger than the sum of its proper divisors (1).

541635161 is an equidigital number, since it uses as much as digits as its factorization.

541635161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 32.

The square root of 541635161 is about 23273.0565461437. The cubic root of 541635161 is about 815.1464029965.

The spelling of 541635161 in words is "five hundred forty-one million, six hundred thirty-five thousand, one hundred sixty-one".