543403241 has 4 divisors (see below), whose sum is σ = 549950352. Its totient is φ = 536856132.

The previous prime is 543403229. The next prime is 543403253. The reversal of 543403241 is 142304345.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 142304345 = 5 ⋅28460869.

It is an interprime number because it is at equal distance from previous prime (543403229) and next prime (543403253).

It is a cyclic number.

It is not a de Polignac number, because 543403241 - 2²² = 539208937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 543403241.

It is not an unprimeable number, because it can be changed into a prime (543403261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3273431 + ... + 3273596.

It is an arithmetic number, because the mean of its divisors is an integer number (137487588).

Almost surely, 2^543403241 is an apocalyptic number.

It is an amenable number.

543403241 is a deficient number, since it is larger than the sum of its proper divisors (6547111).

543403241 is an equidigital number, since it uses as much as digits as its factorization.

543403241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6547110.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 543403241 is about 23311.0111535300. The cubic root of 543403241 is about 816.0324106256.

Adding to 543403241 its reverse (142304345), we get a palindrome (685707586).

The spelling of 543403241 in words is "five hundred forty-three million, four hundred three thousand, two hundred forty-one".