543412403 has 2 divisors, whose sum is σ = 543412404. Its totient is φ = 543412402.

The previous prime is 543412399. The next prime is 543412427. The reversal of 543412403 is 304214345.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 543412403 - 2² = 543412399 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (543412003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271706201 + 271706202.

It is an arithmetic number, because the mean of its divisors is an integer number (271706202).

Almost surely, 2^543412403 is an apocalyptic number.

543412403 is a deficient number, since it is larger than the sum of its proper divisors (1).

543412403 is an equidigital number, since it uses as much as digits as its factorization.

543412403 is an odious number, because the sum of its binary digits is odd.

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

The square root of 543412403 is about 23311.2076692736. The cubic root of 543412403 is about 816.0369968127.

Adding to 543412403 its reverse (304214345), we get a palindrome (847626748).

The spelling of 543412403 in words is "five hundred forty-three million, four hundred twelve thousand, four hundred three".