540247050225 has 81 divisors (see below), whose sum is σ = 1021647637803. Its totient is φ = 272861088480.

The previous prime is 540247050223. The next prime is 540247050229. The reversal of 540247050225 is 522050742045.

The square root of 540247050225 is 735015.

It is a perfect power (a square), and thus also a powerful number.

540247050225 is a `hidden beast` number, since 5 + 40 + 24 + 70 + 502 + 25 = 666.

It can be written as a sum of positive squares in only one way, i.e., 194488938081 + 345758112144 = 441009^2 + 588012^2 .

It is not a de Polignac number, because 540247050225 - 2¹ = 540247050223 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 540247050225.

It is not an unprimeable number, because it can be changed into a prime (540247050223) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 209477986 + ... + 209480564.

Almost surely, 2^540247050225 is an apocalyptic number.

540247050225 is the 735015-th square number.

540247050225 is the 367508-th centered octagonal number.

It is an amenable number.

540247050225 is a deficient number, since it is larger than the sum of its proper divisors (481400587578).

540247050225 is an equidigital number, since it uses as much as digits as its factorization.

540247050225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5212 (or 2606 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 36.

Multiplying 540247050225 by its sum of digits (36), we get a square (19448893808100 = 4410090²).

The spelling of 540247050225 in words is "five hundred forty billion, two hundred forty-seven million, fifty thousand, two hundred twenty-five".