325665313 has 2 divisors, whose sum is σ = 325665314. Its totient is φ = 325665312.

The previous prime is 325665287. The next prime is 325665341. The reversal of 325665313 is 313566523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 228977424 + 96687889 = 15132^2 + 9833^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-325665313 is a prime.

It is not a weakly prime, because it can be changed into another prime (325665343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162832656 + 162832657.

It is an arithmetic number, because the mean of its divisors is an integer number (162832657).

Almost surely, 2^325665313 is an apocalyptic number.

It is an amenable number.

325665313 is a deficient number, since it is larger than the sum of its proper divisors (1).

325665313 is an equidigital number, since it uses as much as digits as its factorization.

325665313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48600, while the sum is 34.

The square root of 325665313 is about 18046.1994059691. The cubic root of 325665313 is about 688.0032682207.

The spelling of 325665313 in words is "three hundred twenty-five million, six hundred sixty-five thousand, three hundred thirteen".