53230525 has 6 divisors (see below), whose sum is σ = 66005882. Its totient is φ = 42584400.

The previous prime is 53230523. The next prime is 53230549. The reversal of 53230525 is 52503235.

It can be written as a sum of positive squares in 3 ways, for example, as 9114361 + 44116164 = 3019^2 + 6642^2 .

It is not a de Polignac number, because 53230525 - 2¹ = 53230523 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: 2129221 = 53230525 / (5 + 3 + 2 + 3 + 0 + 5 + 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 53230525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53230523) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1064586 + ... + 1064635.

Almost surely, 2^53230525 is an apocalyptic number.

It is an amenable number.

53230525 is a deficient number, since it is larger than the sum of its proper divisors (12775357).

53230525 is a wasteful number, since it uses less digits than its factorization.

53230525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129231 (or 2129226 counting only the distinct ones).

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

The square root of 53230525 is about 7295.9252326213. The cubic root of 53230525 is about 376.1723901100.

The spelling of 53230525 in words is "fifty-three million, two hundred thirty thousand, five hundred twenty-five".