543724897 has 2 divisors, whose sum is σ = 543724898. Its totient is φ = 543724896.

The previous prime is 543724859. The next prime is 543724913. The reversal of 543724897 is 798427345.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 525372241 + 18352656 = 22921^2 + 4284^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-543724897 is a prime.

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 543724897.

It is not a weakly prime, because it can be changed into another prime (543724817) 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, 271862448 + 271862449.

It is an arithmetic number, because the mean of its divisors is an integer number (271862449).

Almost surely, 2^543724897 is an apocalyptic number.

It is an amenable number.

543724897 is a deficient number, since it is larger than the sum of its proper divisors (1).

543724897 is an equidigital number, since it uses as much as digits as its factorization.

543724897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693440, while the sum is 49.

The square root of 543724897 is about 23317.9093616902. The cubic root of 543724897 is about 816.1933898813.

It can be divided in two parts, 5437248 and 97, that added together give a palindrome (5437345).

The spelling of 543724897 in words is "five hundred forty-three million, seven hundred twenty-four thousand, eight hundred ninety-seven".