1230525525 has 24 divisors (see below), whose sum is σ = 2053147360. Its totient is φ = 650255040.

The previous prime is 1230525487. The next prime is 1230525533. The reversal of 1230525525 is 5255250321.

It is not a de Polignac number, because 1230525525 - 2⁷ = 1230525397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1230525492 and 1230525501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67087 + ... + 83436.

Almost surely, 2^1230525525 is an apocalyptic number.

1230525525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1230525525 is a deficient number, since it is larger than the sum of its proper divisors (822621835).

1230525525 is a wasteful number, since it uses less digits than its factorization.

1230525525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150645 (or 150640 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 1230525525 is about 35078.8472587113. The cubic root of 1230525525 is about 1071.5938412357.

Adding to 1230525525 its reverse (5255250321), we get a palindrome (6485775846).

The spelling of 1230525525 in words is "one billion, two hundred thirty million, five hundred twenty-five thousand, five hundred twenty-five".