540453 has 8 divisors (see below), whose sum is σ = 736128. Its totient is φ = 352544.

The previous prime is 540437. The next prime is 540461. The reversal of 540453 is 354045.

It is a happy number.

540453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 540453 - 2⁴ = 540437 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1776 + ... + 2057.

It is an arithmetic number, because the mean of its divisors is an integer number (92016).

2⁵⁴⁰⁴⁵³ is an apocalyptic number.

It is an amenable number.

540453 is a deficient number, since it is larger than the sum of its proper divisors (195675).

540453 is a wasteful number, since it uses less digits than its factorization.

540453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3883.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 540453 is about 735.1550856792. The cubic root of 540453 is about 81.4552930812.

Adding to 540453 its reverse (354045), we get a palindrome (894498).

The spelling of 540453 in words is "five hundred forty thousand, four hundred fifty-three".