325325491 has 2 divisors, whose sum is σ = 325325492. Its totient is φ = 325325490.

The previous prime is 325325471. The next prime is 325325513. The reversal of 325325491 is 194523523.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 325325491 - 2⁵ = 325325459 is a prime.

It is not a weakly prime, because it can be changed into another prime (325325411) 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 as a sum of consecutive naturals, namely, 162662745 + 162662746.

It is an arithmetic number, because the mean of its divisors is an integer number (162662746).

Almost surely, 2^325325491 is an apocalyptic number.

325325491 is a deficient number, since it is larger than the sum of its proper divisors (1).

325325491 is an equidigital number, since it uses as much as digits as its factorization.

325325491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 34.

The square root of 325325491 is about 18036.7816142459. The cubic root of 325325491 is about 687.7638813358.

The spelling of 325325491 in words is "three hundred twenty-five million, three hundred twenty-five thousand, four hundred ninety-one".