543976913 has 2 divisors, whose sum is σ = 543976914. Its totient is φ = 543976912.

The previous prime is 543976907. The next prime is 543976957. The reversal of 543976913 is 319679345.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 318015889 + 225961024 = 17833^2 + 15032^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-543976913 is a prime.

It is not a weakly prime, because it can be changed into another prime (543976903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271988456 + 271988457.

It is an arithmetic number, because the mean of its divisors is an integer number (271988457).

Almost surely, 2^543976913 is an apocalyptic number.

It is an amenable number.

543976913 is a deficient number, since it is larger than the sum of its proper divisors (1).

543976913 is an equidigital number, since it uses as much as digits as its factorization.

543976913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 612360, while the sum is 47.

The square root of 543976913 is about 23323.3126506506. The cubic root of 543976913 is about 816.3194720373.

The spelling of 543976913 in words is "five hundred forty-three million, nine hundred seventy-six thousand, nine hundred thirteen".