325902009 has 4 divisors (see below), whose sum is σ = 434536016. Its totient is φ = 217268004.

The previous prime is 325902001. The next prime is 325902061. The reversal of 325902009 is 900209523.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 325902009 - 2³ = 325902001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (325902001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54316999 + ... + 54317004.

It is an arithmetic number, because the mean of its divisors is an integer number (108634004).

Almost surely, 2^325902009 is an apocalyptic number.

It is an amenable number.

325902009 is a deficient number, since it is larger than the sum of its proper divisors (108634007).

325902009 is a wasteful number, since it uses less digits than its factorization.

325902009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108634006.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 325902009 is about 18052.7562715503. The cubic root of 325902009 is about 688.1699098392.

The spelling of 325902009 in words is "three hundred twenty-five million, nine hundred two thousand, nine".