540533443 has 2 divisors, whose sum is σ = 540533444. Its totient is φ = 540533442.

The previous prime is 540533393. The next prime is 540533447. The reversal of 540533443 is 344335045.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540533443 is a prime.

It is not a weakly prime, because it can be changed into another prime (540533447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270266721 + 270266722.

It is an arithmetic number, because the mean of its divisors is an integer number (270266722).

Almost surely, 2^540533443 is an apocalyptic number.

540533443 is a deficient number, since it is larger than the sum of its proper divisors (1).

540533443 is an equidigital number, since it uses as much as digits as its factorization.

540533443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 31.

The square root of 540533443 is about 23249.3751098820. The cubic root of 540533443 is about 814.5933424852.

Adding to 540533443 its reverse (344335045), we get a palindrome (884868488).

The spelling of 540533443 in words is "five hundred forty million, five hundred thirty-three thousand, four hundred forty-three".