325115515009 has 2 divisors, whose sum is σ = 325115515010. Its totient is φ = 325115515008.

The previous prime is 325115514989. The next prime is 325115515051. The reversal of 325115515009 is 900515511523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 258543774784 + 66571740225 = 508472^2 + 258015^2 .

It is an emirp because it is prime and its reverse (900515511523) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 325115515009 - 2⁹ = 325115514497 is a prime.

It is not a weakly prime, because it can be changed into another prime (325115516009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162557757504 + 162557757505.

It is an arithmetic number, because the mean of its divisors is an integer number (162557757505).

Almost surely, 2^325115515009 is an apocalyptic number.

It is an amenable number.

325115515009 is a deficient number, since it is larger than the sum of its proper divisors (1).

325115515009 is an equidigital number, since it uses as much as digits as its factorization.

325115515009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33750, while the sum is 37.

The spelling of 325115515009 in words is "three hundred twenty-five billion, one hundred fifteen million, five hundred fifteen thousand, nine".