320489003 has 4 divisors (see below), whose sum is σ = 325921080. Its totient is φ = 315056928.

The previous prime is 320488997. The next prime is 320489009. The reversal of 320489003 is 300984023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300984023 = 149 ⋅2020027.

It is an interprime number because it is at equal distance from previous prime (320488997) and next prime (320489009).

It is a cyclic number.

It is not a de Polignac number, because 320489003 - 2¹² = 320484907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320489009) 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, 2715950 + ... + 2716067.

It is an arithmetic number, because the mean of its divisors is an integer number (81480270).

Almost surely, 2^320489003 is an apocalyptic number.

320489003 is a deficient number, since it is larger than the sum of its proper divisors (5432077).

320489003 is an equidigital number, since it uses as much as digits as its factorization.

320489003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5432076.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 320489003 is about 17902.2066516952. The cubic root of 320489003 is about 684.3386110855.

The spelling of 320489003 in words is "three hundred twenty million, four hundred eighty-nine thousand, three".