320353001 has 4 divisors (see below), whose sum is σ = 320968404. Its totient is φ = 319737600.

The previous prime is 320352961. The next prime is 320353003. The reversal of 320353001 is 100353023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100353023 = 17 ⋅5903119.

It can be written as a sum of positive squares in 2 ways, for example, as 240715225 + 79637776 = 15515^2 + 8924^2 .

It is a cyclic number.

It is not a de Polignac number, because 320353001 - 2²⁶ = 253244137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320353003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306920 + ... + 307961.

It is an arithmetic number, because the mean of its divisors is an integer number (80242101).

Almost surely, 2^320353001 is an apocalyptic number.

It is an amenable number.

320353001 is a deficient number, since it is larger than the sum of its proper divisors (615403).

320353001 is an equidigital number, since it uses as much as digits as its factorization.

320353001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615402.

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 320353001 is about 17898.4077783472. The cubic root of 320353001 is about 684.2417959195.

The spelling of 320353001 in words is "three hundred twenty million, three hundred fifty-three thousand, one".