540452443 has 2 divisors, whose sum is σ = 540452444. Its totient is φ = 540452442.

The previous prime is 540452401. The next prime is 540452453. The reversal of 540452443 is 344254045.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 540452443 - 2⁹ = 540451931 is a prime.

It is not a weakly prime, because it can be changed into another prime (540452453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270226221 + 270226222.

It is an arithmetic number, because the mean of its divisors is an integer number (270226222).

Almost surely, 2^540452443 is an apocalyptic number.

540452443 is a deficient number, since it is larger than the sum of its proper divisors (1).

540452443 is an equidigital number, since it uses as much as digits as its factorization.

540452443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38400, while the sum is 31.

The square root of 540452443 is about 23247.6330623141. The cubic root of 540452443 is about 814.5526509809.

The spelling of 540452443 in words is "five hundred forty million, four hundred fifty-two thousand, four hundred forty-three".