540369 has 6 divisors (see below), whose sum is σ = 780546. Its totient is φ = 360240.

The previous prime is 540367. The next prime is 540373. The reversal of 540369 is 963045.

It is a happy number.

540369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 540225 + 144 = 735^2 + 12^2 .

It is not a de Polignac number, because 540369 - 2¹ = 540367 is a prime.

It is a super-2 number, since 2×540369² = 583997312322, which contains 22 as substring.

It is a d-powerful number, because it can be written as 5³ + 4⁵ + 3 + 0 + 6⁵ + 9⁶ .

It is not an unprimeable number, because it can be changed into a prime (540367) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30012 + ... + 30029.

It is an arithmetic number, because the mean of its divisors is an integer number (130091).

2⁵⁴⁰³⁶⁹ is an apocalyptic number.

It is an amenable number.

540369 is a deficient number, since it is larger than the sum of its proper divisors (240177).

540369 is a wasteful number, since it uses less digits than its factorization.

540369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60047 (or 60044 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 540369 is about 735.0979526567. The cubic root of 540369 is about 81.4510727949.

It can be divided in two parts, 54036 and 9, that added together give a palindrome (54045).

The spelling of 540369 in words is "five hundred forty thousand, three hundred sixty-nine".