232355525 has 12 divisors (see below), whose sum is σ = 288760164. Its totient is φ = 185472000.

The previous prime is 232355489. The next prime is 232355533. The reversal of 232355525 is 525553232.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 5612161 + 226743364 = 2369^2 + 15058^2 .

It is not a de Polignac number, because 232355525 - 2²⁰ = 231306949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 232355491 and 232355500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1445 + ... + 21605.

It is an arithmetic number, because the mean of its divisors is an integer number (24063347).

Almost surely, 2^232355525 is an apocalyptic number.

232355525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

232355525 is a deficient number, since it is larger than the sum of its proper divisors (56404639).

232355525 is a wasteful number, since it uses less digits than its factorization.

232355525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20632 (or 20627 counting only the distinct ones).

The product of its digits is 45000, while the sum is 32.

The square root of 232355525 is about 15243.2124238954. The cubic root of 232355525 is about 614.7770800687. Note that the first 3 decimals are identical.

The spelling of 232355525 in words is "two hundred thirty-two million, three hundred fifty-five thousand, five hundred twenty-five".