1232530525 has 12 divisors (see below), whose sum is σ = 1528780500. Its totient is φ = 985738880.

The previous prime is 1232530489. The next prime is 1232530619. The reversal of 1232530525 is 5250352321.

It can be written as a sum of positive squares in 6 ways, for example, as 193822084 + 1038708441 = 13922^2 + 32229^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1232530525 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1232530493 and 1232530502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142011 + ... + 150439.

It is an arithmetic number, because the mean of its divisors is an integer number (127398375).

Almost surely, 2^1232530525 is an apocalyptic number.

It is an amenable number.

1232530525 is a deficient number, since it is larger than the sum of its proper divisors (296249975).

1232530525 is an equidigital number, since it uses as much as digits as its factorization.

1232530525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14288 (or 14283 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 1232530525 is about 35107.4141030068. The cubic root of 1232530525 is about 1072.1755384393.

Adding to 1232530525 its reverse (5250352321), we get a palindrome (6482882846).

The spelling of 1232530525 in words is "one billion, two hundred thirty-two million, five hundred thirty thousand, five hundred twenty-five".