325664669 has 8 divisors (see below), whose sum is σ = 356538240. Its totient is φ = 295002400.

The previous prime is 325664627. The next prime is 325664707. The reversal of 325664669 is 966466523.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 325664669 - 2¹⁶ = 325599133 is a prime.

It is a super-2 number, since 2×325664669² = 212114953269759122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325664609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49589 + ... + 55770.

It is an arithmetic number, because the mean of its divisors is an integer number (44567280).

Almost surely, 2^325664669 is an apocalyptic number.

It is an amenable number.

325664669 is a deficient number, since it is larger than the sum of its proper divisors (30873571).

325664669 is a wasteful number, since it uses less digits than its factorization.

325664669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105651.

The product of its digits is 1399680, while the sum is 47.

The square root of 325664669 is about 18046.1815628681. The cubic root of 325664669 is about 688.0028147138.

The spelling of 325664669 in words is "three hundred twenty-five million, six hundred sixty-four thousand, six hundred sixty-nine".