325967909 has 2 divisors, whose sum is σ = 325967910. Its totient is φ = 325967908.

The previous prime is 325967899. The next prime is 325967947. The reversal of 325967909 is 909769523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 261727684 + 64240225 = 16178^2 + 8015^2 .

It is a cyclic number.

It is not a de Polignac number, because 325967909 - 2⁴ = 325967893 is a prime.

It is equal to p_17579795 and since 325967909 and 17579795 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325967959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162983954 + 162983955.

It is an arithmetic number, because the mean of its divisors is an integer number (162983955).

Almost surely, 2^325967909 is an apocalyptic number.

It is an amenable number.

325967909 is a deficient number, since it is larger than the sum of its proper divisors (1).

325967909 is an equidigital number, since it uses as much as digits as its factorization.

325967909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 918540, while the sum is 50.

The square root of 325967909 is about 18054.5813853437. The cubic root of 325967909 is about 688.2162912048.

The spelling of 325967909 in words is "three hundred twenty-five million, nine hundred sixty-seven thousand, nine hundred nine".