420334003 has 2 divisors, whose sum is σ = 420334004. Its totient is φ = 420334002.

The previous prime is 420333997. The next prime is 420334049. The reversal of 420334003 is 300433024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 420334003 - 2⁵ = 420333971 is a prime.

It is not a weakly prime, because it can be changed into another prime (420334063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210167001 + 210167002.

It is an arithmetic number, because the mean of its divisors is an integer number (210167002).

Almost surely, 2^420334003 is an apocalyptic number.

420334003 is a deficient number, since it is larger than the sum of its proper divisors (1).

420334003 is an equidigital number, since it uses as much as digits as its factorization.

420334003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 420334003 is about 20502.0487512834. The cubic root of 420334003 is about 749.0857024589.

Adding to 420334003 its reverse (300433024), we get a palindrome (720767027).

The spelling of 420334003 in words is "four hundred twenty million, three hundred thirty-four thousand, three".