325985791 has 2 divisors, whose sum is σ = 325985792. Its totient is φ = 325985790.

The previous prime is 325985789. The next prime is 325985809. The reversal of 325985791 is 197589523.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 325985791 - 2¹ = 325985789 is a prime.

Together with 325985789, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325985731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162992895 + 162992896.

It is an arithmetic number, because the mean of its divisors is an integer number (162992896).

Almost surely, 2^325985791 is an apocalyptic number.

325985791 is a deficient number, since it is larger than the sum of its proper divisors (1).

325985791 is an equidigital number, since it uses as much as digits as its factorization.

325985791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 680400, while the sum is 49.

The square root of 325985791 is about 18055.0765991175. The cubic root of 325985791 is about 688.2288757346.

The spelling of 325985791 in words is "three hundred twenty-five million, nine hundred eighty-five thousand, seven hundred ninety-one".