320650001 has 12 divisors (see below), whose sum is σ = 370684992. Its totient is φ = 271707744.

The previous prime is 320649997. The next prime is 320650009. The reversal of 320650001 is 100056023.

It is not a de Polignac number, because 320650001 - 2² = 320649997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320650009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52556 + ... + 58338.

It is an arithmetic number, because the mean of its divisors is an integer number (30890416).

Almost surely, 2^320650001 is an apocalyptic number.

It is an amenable number.

320650001 is a deficient number, since it is larger than the sum of its proper divisors (50034991).

320650001 is an frugal number, since it uses more digits than its factorization.

320650001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5968 (or 5879 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 320650001 is about 17906.7026836322. The cubic root of 320650001 is about 684.4531846513.

The spelling of 320650001 in words is "three hundred twenty million, six hundred fifty thousand, one".