233525665065 has 32 divisors (see below), whose sum is σ = 465838212096. Its totient is φ = 97049626560.

The previous prime is 233525665013. The next prime is 233525665097. The reversal of 233525665065 is 560566525332.

It is not a de Polignac number, because 233525665065 - 2¹² = 233525660969 is a prime.

It is a super-2 number, since 2×233525665065² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101092207 + ... + 101094516.

It is an arithmetic number, because the mean of its divisors is an integer number (14557444128).

Almost surely, 2^233525665065 is an apocalyptic number.

It is an amenable number.

233525665065 is a deficient number, since it is larger than the sum of its proper divisors (232312547031).

233525665065 is a wasteful number, since it uses less digits than its factorization.

233525665065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202186749.

The product of its (nonzero) digits is 4860000, while the sum is 48.

The spelling of 233525665065 in words is "two hundred thirty-three billion, five hundred twenty-five million, six hundred sixty-five thousand, sixty-five".