232133525 has 12 divisors (see below), whose sum is σ = 309987972. Its totient is φ = 171421440.

The previous prime is 232133509. The next prime is 232133537. The reversal of 232133525 is 525331232.

It can be written as a sum of positive squares in 6 ways, for example, as 54257956 + 177875569 = 7366^2 + 13337^2 .

It is not a de Polignac number, because 232133525 - 2⁴ = 232133509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 232133494 and 232133503.

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, 356804 + ... + 357453.

It is an arithmetic number, because the mean of its divisors is an integer number (25832331).

Almost surely, 2^232133525 is an apocalyptic number.

232133525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

232133525 is a deficient number, since it is larger than the sum of its proper divisors (77854447).

232133525 is a wasteful number, since it uses less digits than its factorization.

232133525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714280 (or 714275 counting only the distinct ones).

The product of its digits is 5400, while the sum is 26.

The square root of 232133525 is about 15235.9287540996. The cubic root of 232133525 is about 614.5812250303.

Adding to 232133525 its reverse (525331232), we get a palindrome (757464757).

The spelling of 232133525 in words is "two hundred thirty-two million, one hundred thirty-three thousand, five hundred twenty-five".