325365409 has 2 divisors, whose sum is σ = 325365410. Its totient is φ = 325365408.

The previous prime is 325365373. The next prime is 325365421. The reversal of 325365409 is 904563523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 213598225 + 111767184 = 14615^2 + 10572^2 .

It is a cyclic number.

It is not a de Polignac number, because 325365409 - 2⁷ = 325365281 is a prime.

It is a super-3 number, since 3×325365409³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (325365449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162682704 + 162682705.

It is an arithmetic number, because the mean of its divisors is an integer number (162682705).

Almost surely, 2^325365409 is an apocalyptic number.

It is an amenable number.

325365409 is a deficient number, since it is larger than the sum of its proper divisors (1).

325365409 is an equidigital number, since it uses as much as digits as its factorization.

325365409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 37.

The square root of 325365409 is about 18037.8881524418. Note that the first 3 decimals coincide. The cubic root of 325365409 is about 687.7920101243.

The spelling of 325365409 in words is "three hundred twenty-five million, three hundred sixty-five thousand, four hundred nine".