540619 has 2 divisors, whose sum is σ = 540620. Its totient is φ = 540618.

The previous prime is 540613. The next prime is 540629. The reversal of 540619 is 916045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 540619 - 2³ = 540611 is a prime.

It is a super-2 number, since 2×540619² = 584537806322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 540593 and 540602.

It is not a weakly prime, because it can be changed into another prime (540611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270309 + 270310.

It is an arithmetic number, because the mean of its divisors is an integer number (270310).

2⁵⁴⁰⁶¹⁹ is an apocalyptic number.

540619 is a deficient number, since it is larger than the sum of its proper divisors (1).

540619 is an equidigital number, since it uses as much as digits as its factorization.

540619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 540619 is about 735.2679783589. The cubic root of 540619 is about 81.4636318849.

The spelling of 540619 in words is "five hundred forty thousand, six hundred nineteen".