235232161 has 8 divisors (see below), whose sum is σ = 236626920. Its totient is φ = 233841792.

The previous prime is 235232119. The next prime is 235232177. The reversal of 235232161 is 161232532.

It can be written as a sum of positive squares in 4 ways, for example, as 45481536 + 189750625 = 6744^2 + 13775^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 235232161 - 2¹¹ = 235230113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (235232191) 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 7 ways as a sum of consecutive naturals, for example, 196581 + ... + 197773.

It is an arithmetic number, because the mean of its divisors is an integer number (29578365).

Almost surely, 2^235232161 is an apocalyptic number.

It is an amenable number.

235232161 is a deficient number, since it is larger than the sum of its proper divisors (1394759).

235232161 is a wasteful number, since it uses less digits than its factorization.

235232161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2195.

The product of its digits is 2160, while the sum is 25.

The square root of 235232161 is about 15337.2801043731. The cubic root of 235232161 is about 617.3037275540.

Adding to 235232161 its reverse (161232532), we get a palindrome (396464693).

The spelling of 235232161 in words is "two hundred thirty-five million, two hundred thirty-two thousand, one hundred sixty-one".