543348991 has 2 divisors, whose sum is σ = 543348992. Its totient is φ = 543348990.

The previous prime is 543348973. The next prime is 543349007. The reversal of 543348991 is 199843345.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 543348991 - 2⁷ = 543348863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (543348931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271674495 + 271674496.

It is an arithmetic number, because the mean of its divisors is an integer number (271674496).

Almost surely, 2^543348991 is an apocalyptic number.

543348991 is a deficient number, since it is larger than the sum of its proper divisors (1).

543348991 is an equidigital number, since it uses as much as digits as its factorization.

543348991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 46.

The square root of 543348991 is about 23309.8475112987. The cubic root of 543348991 is about 816.0052538549.

The spelling of 543348991 in words is "five hundred forty-three million, three hundred forty-eight thousand, nine hundred ninety-one".