540343019 has 2 divisors, whose sum is σ = 540343020. Its totient is φ = 540343018.

The previous prime is 540343009. The next prime is 540343039. The reversal of 540343019 is 910343045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 540343019 - 2¹² = 540338923 is a prime.

It is a super-2 number, since 2×540343019² = 583941156364068722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 540342982 and 540343000.

It is not a weakly prime, because it can be changed into another prime (540343009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270171509 + 270171510.

It is an arithmetic number, because the mean of its divisors is an integer number (270171510).

Almost surely, 2^540343019 is an apocalyptic number.

540343019 is a deficient number, since it is larger than the sum of its proper divisors (1).

540343019 is an equidigital number, since it uses as much as digits as its factorization.

540343019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 540343019 is about 23245.2794992876. The cubic root of 540343019 is about 814.4976738184.

The spelling of 540343019 in words is "five hundred forty million, three hundred forty-three thousand, nineteen".