325135009 has 2 divisors, whose sum is σ = 325135010. Its totient is φ = 325135008.

The previous prime is 325134991. The next prime is 325135073. The reversal of 325135009 is 900531523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 181494784 + 143640225 = 13472^2 + 11985^2 .

It is a cyclic number.

It is not a de Polignac number, because 325135009 - 2⁹ = 325134497 is a prime.

It is not a weakly prime, because it can be changed into another prime (325135079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162567504 + 162567505.

It is an arithmetic number, because the mean of its divisors is an integer number (162567505).

Almost surely, 2^325135009 is an apocalyptic number.

It is an amenable number.

325135009 is a deficient number, since it is larger than the sum of its proper divisors (1).

325135009 is an equidigital number, since it uses as much as digits as its factorization.

325135009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4050, while the sum is 28.

The square root of 325135009 is about 18031.5004644650. The cubic root of 325135009 is about 687.6296237791.

The spelling of 325135009 in words is "three hundred twenty-five million, one hundred thirty-five thousand, nine".