540361 has 4 divisors (see below), whose sum is σ = 557824. Its totient is φ = 522900.

The previous prime is 540349. The next prime is 540367. The reversal of 540361 is 163045.

540361 = T₁₇₁ + T₁₇₂ + ... + T₂₀₁.

540361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 163045 = 5 ⋅32609.

It is a cyclic number.

It is not a de Polignac number, because 540361 - 2⁷ = 540233 is a prime.

It is a Duffinian number.

540361 is a lucky number.

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 3 ways as a sum of consecutive naturals, for example, 8685 + ... + 8746.

It is an arithmetic number, because the mean of its divisors is an integer number (139456).

2⁵⁴⁰³⁶¹ is an apocalyptic number.

It is an amenable number.

540361 is a deficient number, since it is larger than the sum of its proper divisors (17463).

540361 is a wasteful number, since it uses less digits than its factorization.

540361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17462.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 540361 is about 735.0925111848. The cubic root of 540361 is about 81.4506708401.

The spelling of 540361 in words is "five hundred forty thousand, three hundred sixty-one".