541513543 has 2 divisors, whose sum is σ = 541513544. Its totient is φ = 541513542.

The previous prime is 541513519. The next prime is 541513601. The reversal of 541513543 is 345315145.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-541513543 is a prime.

It is equal to p_28423624 and since 541513543 and 28423624 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (541513513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270756771 + 270756772.

It is an arithmetic number, because the mean of its divisors is an integer number (270756772).

Almost surely, 2^541513543 is an apocalyptic number.

541513543 is a deficient number, since it is larger than the sum of its proper divisors (1).

541513543 is an equidigital number, since it uses as much as digits as its factorization.

541513543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18000, while the sum is 31.

The square root of 541513543 is about 23270.4435497048. The cubic root of 541513543 is about 815.0853878192.

Adding to 541513543 its reverse (345315145), we get a palindrome (886828688).

The spelling of 541513543 in words is "five hundred forty-one million, five hundred thirteen thousand, five hundred forty-three".