232540065 has 56 divisors (see below), whose sum is σ = 422440128. Its totient is φ = 122821920.

The previous prime is 232540043. The next prime is 232540073. The reversal of 232540065 is 560045232.

It is not a de Polignac number, because 232540065 - 2²⁴ = 215762849 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 477252 + ... + 477738.

Almost surely, 2^232540065 is an apocalyptic number.

It is an amenable number.

232540065 is a deficient number, since it is larger than the sum of its proper divisors (189900063).

232540065 is an equidigital number, since it uses as much as digits as its factorization.

232540065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641 (or 626 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 232540065 is about 15249.2644084887. The cubic root of 232540065 is about 614.9397918453.

Adding to 232540065 its reverse (560045232), we get a palindrome (792585297).

The spelling of 232540065 in words is "two hundred thirty-two million, five hundred forty thousand, sixty-five".