325069909 has 2 divisors, whose sum is σ = 325069910. Its totient is φ = 325069908.

The previous prime is 325069891. The next prime is 325069963. The reversal of 325069909 is 909960523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 248157009 + 76912900 = 15753^2 + 8770^2 .

It is a cyclic number.

It is not a de Polignac number, because 325069909 - 2⁷ = 325069781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325069009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162534954 + 162534955.

It is an arithmetic number, because the mean of its divisors is an integer number (162534955).

Almost surely, 2^325069909 is an apocalyptic number.

It is an amenable number.

325069909 is a deficient number, since it is larger than the sum of its proper divisors (1).

325069909 is an equidigital number, since it uses as much as digits as its factorization.

325069909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 131220, while the sum is 43.

The square root of 325069909 is about 18029.6951998640. The cubic root of 325069909 is about 687.5837272794.

The spelling of 325069909 in words is "three hundred twenty-five million, sixty-nine thousand, nine hundred nine".