541543879 has 2 divisors, whose sum is σ = 541543880. Its totient is φ = 541543878.

The previous prime is 541543859. The next prime is 541543889. The reversal of 541543879 is 978345145.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-541543879 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (541543819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270771939 + 270771940.

It is an arithmetic number, because the mean of its divisors is an integer number (270771940).

Almost surely, 2^541543879 is an apocalyptic number.

541543879 is a deficient number, since it is larger than the sum of its proper divisors (1).

541543879 is an equidigital number, since it uses as much as digits as its factorization.

541543879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 46.

The square root of 541543879 is about 23271.0953545380. The cubic root of 541543879 is about 815.1006081025.

It can be divided in two parts, 5415 and 43879, that added together give a palindrome (49294).

The spelling of 541543879 in words is "five hundred forty-one million, five hundred forty-three thousand, eight hundred seventy-nine".