540210653 has 4 divisors (see below), whose sum is σ = 541110108. Its totient is φ = 539311200.

The previous prime is 540210647. The next prime is 540210691. The reversal of 540210653 is 356012045.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 490268164 + 49942489 = 22142^2 + 7067^2 .

It is a cyclic number.

It is not a de Polignac number, because 540210653 - 2¹⁴ = 540194269 is a prime.

It is a super-2 number, since 2×540210653² = 583655099229372818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540210623) 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, 448826 + ... + 450027.

It is an arithmetic number, because the mean of its divisors is an integer number (135277527).

Almost surely, 2^540210653 is an apocalyptic number.

It is an amenable number.

540210653 is a deficient number, since it is larger than the sum of its proper divisors (899455).

540210653 is an equidigital number, since it uses as much as digits as its factorization.

540210653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899454.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 540210653 is about 23242.4321661912. The cubic root of 540210653 is about 814.4311601410.

Adding to 540210653 its reverse (356012045), we get a palindrome (896222698).

The spelling of 540210653 in words is "five hundred forty million, two hundred ten thousand, six hundred fifty-three".