325684661 has 8 divisors (see below), whose sum is σ = 334426560. Its totient is φ = 317050272.

The previous prime is 325684651. The next prime is 325684663. The reversal of 325684661 is 166486523.

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

It is a cyclic number.

It is not a de Polignac number, because 325684661 - 2²² = 321490357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325684663) 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, 20720 + ... + 32873.

It is an arithmetic number, because the mean of its divisors is an integer number (41803320).

Almost surely, 2^325684661 is an apocalyptic number.

It is an amenable number.

325684661 is a deficient number, since it is larger than the sum of its proper divisors (8741899).

325684661 is a wasteful number, since it uses less digits than its factorization.

325684661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53755.

The product of its digits is 207360, while the sum is 41.

The square root of 325684661 is about 18046.7354665602. The cubic root of 325684661 is about 688.0168928665.

The spelling of 325684661 in words is "three hundred twenty-five million, six hundred eighty-four thousand, six hundred sixty-one".