540321602253 has 4 divisors (see below), whose sum is σ = 720428803008. Its totient is φ = 360214401500.

The previous prime is 540321602201. The next prime is 540321602257. The reversal of 540321602253 is 352206123045.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 540321602253 - 2¹³ = 540321594061 is a prime.

It is a super-2 number, since 2×540321602253² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540321602257) 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, 90053600373 + ... + 90053600378.

It is an arithmetic number, because the mean of its divisors is an integer number (180107200752).

Almost surely, 2^540321602253 is an apocalyptic number.

It is an amenable number.

540321602253 is a deficient number, since it is larger than the sum of its proper divisors (180107200755).

540321602253 is a wasteful number, since it uses less digits than its factorization.

540321602253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180107200754.

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 540321602253 its reverse (352206123045), we get a palindrome (892527725298).

The spelling of 540321602253 in words is "five hundred forty billion, three hundred twenty-one million, six hundred two thousand, two hundred fifty-three".