230605251525 has 108 divisors (see below), whose sum is σ = 469659093540. Its totient is φ = 107952768000.

The previous prime is 230605251521. The next prime is 230605251529. The reversal of 230605251525 is 525152506032.

230605251525 is a `hidden beast` number, since 2 + 3 + 0 + 605 + 25 + 1 + 5 + 25 = 666.

230605251525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (230605251521) and next prime (230605251529).

It can be written as a sum of positive squares in 6 ways, for example, as 39965607396 + 190639644129 = 199914^2 + 436623^2 .

It is not a de Polignac number, because 230605251525 - 2² = 230605251521 is a prime.

It is a super-3 number, since 3×230605251525³ (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 230605251525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230605251521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 643485 + ... + 935565.

Almost surely, 2^230605251525 is an apocalyptic number.

230605251525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

230605251525 is an abundant number, since it is smaller than the sum of its proper divisors (239053842015).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230605251525 is a wasteful number, since it uses less digits than its factorization.

230605251525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292148 (or 292129 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

Adding to 230605251525 its reverse (525152506032), we get a palindrome (755757757557).

The spelling of 230605251525 in words is "two hundred thirty billion, six hundred five million, two hundred fifty-one thousand, five hundred twenty-five".