541506143 has 2 divisors, whose sum is σ = 541506144. Its totient is φ = 541506142.

The previous prime is 541506139. The next prime is 541506157. The reversal of 541506143 is 341605145.

It is a happy number.

541506143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 541506143 - 2² = 541506139 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (541506103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270753071 + 270753072.

It is an arithmetic number, because the mean of its divisors is an integer number (270753072).

Almost surely, 2^541506143 is an apocalyptic number.

541506143 is a deficient number, since it is larger than the sum of its proper divisors (1).

541506143 is an equidigital number, since it uses as much as digits as its factorization.

541506143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 541506143 is about 23270.2845491842. The cubic root of 541506143 is about 815.0816749793.

The spelling of 541506143 in words is "five hundred forty-one million, five hundred six thousand, one hundred forty-three".