541129649 has 2 divisors, whose sum is σ = 541129650. Its totient is φ = 541129648.

The previous prime is 541129643. The next prime is 541129661. The reversal of 541129649 is 946921145.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 308353600 + 232776049 = 17560^2 + 15257^2 .

It is a cyclic number.

It is not a de Polignac number, because 541129649 - 2²⁸ = 272694193 is a prime.

It is a Chen prime.

It is equal to p_28404599 and since 541129649 and 28404599 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (541129643) 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, 270564824 + 270564825.

It is an arithmetic number, because the mean of its divisors is an integer number (270564825).

Almost surely, 2^541129649 is an apocalyptic number.

It is an amenable number.

541129649 is a deficient number, since it is larger than the sum of its proper divisors (1).

541129649 is an equidigital number, since it uses as much as digits as its factorization.

541129649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 41.

The square root of 541129649 is about 23262.1935552088. The cubic root of 541129649 is about 814.8927300573.

The spelling of 541129649 in words is "five hundred forty-one million, one hundred twenty-nine thousand, six hundred forty-nine".