540253 has 8 divisors (see below), whose sum is σ = 623808. Its totient is φ = 458304.

The previous prime is 540251. The next prime is 540269. The reversal of 540253 is 352045.

It is a happy number.

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

It is not a de Polignac number, because 540253 - 2¹ = 540251 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 540253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450 + ... + 1132.

It is an arithmetic number, because the mean of its divisors is an integer number (77976).

2⁵⁴⁰²⁵³ is an apocalyptic number.

It is an amenable number.

540253 is a deficient number, since it is larger than the sum of its proper divisors (83555).

540253 is a wasteful number, since it uses less digits than its factorization.

540253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 540253 is about 735.0190473722. The cubic root of 540253 is about 81.4452440614.

Adding to 540253 its reverse (352045), we get a palindrome (892298).

The spelling of 540253 in words is "five hundred forty thousand, two hundred fifty-three".