233530065 has 12 divisors (see below), whose sum is σ = 404785524. Its totient is φ = 124549344.

The previous prime is 233530049. The next prime is 233530081. The reversal of 233530065 is 560035332.

It is an interprime number because it is at equal distance from previous prime (233530049) and next prime (233530081).

It can be written as a sum of positive squares in 2 ways, for example, as 78004224 + 155525841 = 8832^2 + 12471^2 .

It is not a de Polignac number, because 233530065 - 2⁴ = 233530049 is a prime.

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, 2594734 + ... + 2594823.

It is an arithmetic number, because the mean of its divisors is an integer number (33732127).

Almost surely, 2^233530065 is an apocalyptic number.

It is an amenable number.

233530065 is a deficient number, since it is larger than the sum of its proper divisors (171255459).

233530065 is a wasteful number, since it uses less digits than its factorization.

233530065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5189568 (or 5189565 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 27.

The square root of 233530065 is about 15281.6905151230. The cubic root of 233530065 is about 615.8112237436.

Adding to 233530065 its reverse (560035332), we get a palindrome (793565397).

It can be divided in two parts, 2335 and 30065, that added together give a square (32400 = 180²).

The spelling of 233530065 in words is "two hundred thirty-three million, five hundred thirty thousand, sixty-five".