543260491 has 2 divisors, whose sum is σ = 543260492. Its totient is φ = 543260490.

The previous prime is 543260447. The next prime is 543260503. The reversal of 543260491 is 194062345.

It is a happy number.

543260491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 543260491 - 2¹³ = 543252299 is a prime.

It is a super-2 number, since 2×543260491² = 590263922163122162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (543260411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271630245 + 271630246.

It is an arithmetic number, because the mean of its divisors is an integer number (271630246).

Almost surely, 2^543260491 is an apocalyptic number.

543260491 is a deficient number, since it is larger than the sum of its proper divisors (1).

543260491 is an equidigital number, since it uses as much as digits as its factorization.

543260491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 543260491 is about 23307.9490946758. The cubic root of 543260491 is about 815.9609481463.

The spelling of 543260491 in words is "five hundred forty-three million, two hundred sixty thousand, four hundred ninety-one".