540519 has 12 divisors (see below), whose sum is σ = 838584. Its totient is φ = 308784.

The previous prime is 540517. The next prime is 540539. The reversal of 540519 is 915045.

It is not a de Polignac number, because 540519 - 2¹ = 540517 is a prime.

It is a super-2 number, since 2×540519² = 584321578722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1692 + ... + 1985.

It is an arithmetic number, because the mean of its divisors is an integer number (69882).

2⁵⁴⁰⁵¹⁹ is an apocalyptic number.

540519 is a deficient number, since it is larger than the sum of its proper divisors (298065).

540519 is a wasteful number, since it uses less digits than its factorization.

540519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3694 (or 3687 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 540519 is about 735.1999727965. The cubic root of 540519 is about 81.4586087136.

The spelling of 540519 in words is "five hundred forty thousand, five hundred nineteen".