325235231 has 2 divisors, whose sum is σ = 325235232. Its totient is φ = 325235230.

The previous prime is 325235227. The next prime is 325235233. The reversal of 325235231 is 132532523.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 325235231 - 2² = 325235227 is a prime.

It is a super-2 number, since 2×325235231² = 211555910967246722, which contains 22 as substring.

Together with 325235233, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 325235231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325235233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162617615 + 162617616.

It is an arithmetic number, because the mean of its divisors is an integer number (162617616).

Almost surely, 2^325235231 is an apocalyptic number.

325235231 is a deficient number, since it is larger than the sum of its proper divisors (1).

325235231 is an equidigital number, since it uses as much as digits as its factorization.

325235231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 26.

The square root of 325235231 is about 18034.2793313179. The cubic root of 325235231 is about 687.7002698538.

Adding to 325235231 its reverse (132532523), we get a palindrome (457767754).

It can be divided in two parts, 3252 and 35231, that added together give a palindrome (38483).

The spelling of 325235231 in words is "three hundred twenty-five million, two hundred thirty-five thousand, two hundred thirty-one".