320450001 has 4 divisors (see below), whose sum is σ = 427266672. Its totient is φ = 213633332.

The previous prime is 320449999. The next prime is 320450021. The reversal of 320450001 is 100054023.

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 a cyclic number.

It is not a de Polignac number, because 320450001 - 2¹ = 320449999 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (320450021) 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, 53408331 + ... + 53408336.

It is an arithmetic number, because the mean of its divisors is an integer number (106816668).

Almost surely, 2^320450001 is an apocalyptic number.

It is an amenable number.

320450001 is a deficient number, since it is larger than the sum of its proper divisors (106816671).

320450001 is a wasteful number, since it uses less digits than its factorization.

320450001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106816670.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 320450001 is about 17901.1173114976. The cubic root of 320450001 is about 684.3108496990.

The spelling of 320450001 in words is "three hundred twenty million, four hundred fifty thousand, one".