325522331 has 2 divisors, whose sum is σ = 325522332. Its totient is φ = 325522330.

The previous prime is 325522283. The next prime is 325522339. The reversal of 325522331 is 133225523.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 325522331 - 2¹⁰ = 325521307 is a prime.

It is a super-2 number, since 2×325522331² = 211929575959347122, which contains 22 as substring.

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 325522331.

It is not a weakly prime, because it can be changed into another prime (325522339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162761165 + 162761166.

It is an arithmetic number, because the mean of its divisors is an integer number (162761166).

Almost surely, 2^325522331 is an apocalyptic number.

325522331 is a deficient number, since it is larger than the sum of its proper divisors (1).

325522331 is an equidigital number, since it uses as much as digits as its factorization.

325522331 is an evil number, because the sum of its binary digits is even.

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

The square root of 325522331 is about 18042.2374166842. The cubic root of 325522331 is about 687.9025651579.

Adding to 325522331 its reverse (133225523), we get a palindrome (458747854).

The spelling of 325522331 in words is "three hundred twenty-five million, five hundred twenty-two thousand, three hundred thirty-one".