540719 has 6 divisors (see below), whose sum is σ = 574704. Its totient is φ = 508640.

The previous prime is 540713. The next prime is 540751. The reversal of 540719 is 917045.

It is not a de Polignac number, because 540719 - 2⁴ = 540703 is a prime.

It is a super-2 number, since 2×540719² = 584754073922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 540719.

It is not an unprimeable number, because it can be changed into a prime (540713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 647 + ... + 1224.

It is an arithmetic number, because the mean of its divisors is an integer number (95784).

2⁵⁴⁰⁷¹⁹ is an apocalyptic number.

540719 is a deficient number, since it is larger than the sum of its proper divisors (33985).

540719 is a wasteful number, since it uses less digits than its factorization.

540719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905 (or 1888 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 540719 is about 735.3359776320. The cubic root of 540719 is about 81.4686544368.

The spelling of 540719 in words is "five hundred forty thousand, seven hundred nineteen".