540302403653 has 2 divisors, whose sum is σ = 540302403654. Its totient is φ = 540302403652.

The previous prime is 540302403629. The next prime is 540302403673. The reversal of 540302403653 is 356304203045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 430832078884 + 109470324769 = 656378^2 + 330863^2 .

It is a cyclic number.

It is not a de Polignac number, because 540302403653 - 2²⁶ = 540235294789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540302403673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270151201826 + 270151201827.

It is an arithmetic number, because the mean of its divisors is an integer number (270151201827).

Almost surely, 2^540302403653 is an apocalyptic number.

It is an amenable number.

540302403653 is a deficient number, since it is larger than the sum of its proper divisors (1).

540302403653 is an equidigital number, since it uses as much as digits as its factorization.

540302403653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 35.

Adding to 540302403653 its reverse (356304203045), we get a palindrome (896606606698).

The spelling of 540302403653 in words is "five hundred forty billion, three hundred two million, four hundred three thousand, six hundred fifty-three".