232533505 has 4 divisors (see below), whose sum is σ = 279040212. Its totient is φ = 186026800.

The previous prime is 232533503. The next prime is 232533559. The reversal of 232533505 is 505335232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 104775696 + 127757809 = 10236^2 + 11303^2 .

It is not a de Polignac number, because 232533505 - 2¹ = 232533503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232533503) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 23253346 + ... + 23253355.

It is an arithmetic number, because the mean of its divisors is an integer number (69760053).

Almost surely, 2^232533505 is an apocalyptic number.

It is an amenable number.

232533505 is a deficient number, since it is larger than the sum of its proper divisors (46506707).

232533505 is an equidigital number, since it uses as much as digits as its factorization.

232533505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46506706.

The product of its (nonzero) digits is 13500, while the sum is 28.

The square root of 232533505 is about 15249.0493146294. The cubic root of 232533505 is about 614.9340092676.

Adding to 232533505 its reverse (505335232), we get a palindrome (737868737).

The spelling of 232533505 in words is "two hundred thirty-two million, five hundred thirty-three thousand, five hundred five".