320452003 has 2 divisors, whose sum is σ = 320452004. Its totient is φ = 320452002.

The previous prime is 320451997. The next prime is 320452007. The reversal of 320452003 is 300254023.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320452003 is a prime.

It is not a weakly prime, because it can be changed into another prime (320452007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160226001 + 160226002.

It is an arithmetic number, because the mean of its divisors is an integer number (160226002).

Almost surely, 2^320452003 is an apocalyptic number.

320452003 is a deficient number, since it is larger than the sum of its proper divisors (1).

320452003 is an equidigital number, since it uses as much as digits as its factorization.

320452003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 320452003 is about 17901.1732297076. The cubic root of 320452003 is about 684.3122747652.

The spelling of 320452003 in words is "three hundred twenty million, four hundred fifty-two thousand, three".