52530325 has 6 divisors (see below), whose sum is σ = 65137634. Its totient is φ = 42024240.

The previous prime is 52530311. The next prime is 52530329. The reversal of 52530325 is 52303525.

It can be written as a sum of positive squares in 3 ways, for example, as 4186116 + 48344209 = 2046^2 + 6953^2 .

It is not a de Polignac number, because 52530325 - 2¹⁹ = 52006037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 2101213 = 52530325 / (5 + 2 + 5 + 3 + 0 + 3 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52530325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52530329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1050582 + ... + 1050631.

Almost surely, 2^52530325 is an apocalyptic number.

It is an amenable number.

52530325 is a deficient number, since it is larger than the sum of its proper divisors (12607309).

52530325 is a wasteful number, since it uses less digits than its factorization.

52530325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101223 (or 2101218 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 52530325 is about 7247.7806948058. The cubic root of 52530325 is about 374.5157007398.

The spelling of 52530325 in words is "fifty-two million, five hundred thirty thousand, three hundred twenty-five".