325850909 has 2 divisors, whose sum is σ = 325850910. Its totient is φ = 325850908.

The previous prime is 325850869. The next prime is 325850911. The reversal of 325850909 is 909058523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189475225 + 136375684 = 13765^2 + 11678^2 .

It is an emirp because it is prime and its reverse (909058523) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 325850909 - 2⁸ = 325850653 is a prime.

It is a super-2 number, since 2×325850909² = 212357629792252562, which contains 22 as substring.

Together with 325850911, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325850929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162925454 + 162925455.

It is an arithmetic number, because the mean of its divisors is an integer number (162925455).

Almost surely, 2^325850909 is an apocalyptic number.

It is an amenable number.

325850909 is a deficient number, since it is larger than the sum of its proper divisors (1).

325850909 is an equidigital number, since it uses as much as digits as its factorization.

325850909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97200, while the sum is 41.

The square root of 325850909 is about 18051.3409197212. The cubic root of 325850909 is about 688.1339406219.

The spelling of 325850909 in words is "three hundred twenty-five million, eight hundred fifty thousand, nine hundred nine".