5290380225 has 81 divisors (see below), whose sum is σ = 10288206747. Its totient is φ = 2597512320.

The previous prime is 5290380223. The next prime is 5290380239. The reversal of 5290380225 is 5220830925.

The square root of 5290380225 is 72735.

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

5290380225 is a `hidden beast` number, since 52 + 9 + 0 + 380 + 225 = 666.

It can be written as a sum of positive squares in 13 ways, for example, as 4838732721 + 451647504 = 69561^2 + 21252^2 .

It is not a de Polignac number, because 5290380225 - 2¹ = 5290380223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5290380225.

It is not an unprimeable number, because it can be changed into a prime (5290380223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 14183139 + ... + 14183511.

Almost surely, 2^5290380225 is an apocalyptic number.

5290380225 is the 72735-th square number.

5290380225 is the 36368-th centered octagonal number.

It is an amenable number.

5290380225 is a deficient number, since it is larger than the sum of its proper divisors (4997826522).

5290380225 is a wasteful number, since it uses less digits than its factorization.

5290380225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The cubic root of 5290380225 is about 1742.4579066520.

Multiplying 5290380225 by its sum of digits (36), we get a square (190453688100 = 436410²).

The spelling of 5290380225 in words is "five billion, two hundred ninety million, three hundred eighty thousand, two hundred twenty-five".