230532161 has 4 divisors (see below), whose sum is σ = 233122500. Its totient is φ = 227941824.

The previous prime is 230532157. The next prime is 230532167. The reversal of 230532161 is 161235032.

230532161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 22278400 + 208253761 = 4720^2 + 14431^2 .

It is a cyclic number.

It is not a de Polignac number, because 230532161 - 2² = 230532157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (230532167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1295036 + ... + 1295213.

It is an arithmetic number, because the mean of its divisors is an integer number (58280625).

Almost surely, 2^230532161 is an apocalyptic number.

It is an amenable number.

230532161 is a deficient number, since it is larger than the sum of its proper divisors (2590339).

230532161 is an equidigital number, since it uses as much as digits as its factorization.

230532161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2590338.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 230532161 is about 15183.2855798737. The cubic root of 230532161 is about 613.1647413576.

Adding to 230532161 its reverse (161235032), we get a palindrome (391767193).

The spelling of 230532161 in words is "two hundred thirty million, five hundred thirty-two thousand, one hundred sixty-one".