500478403 has 2 divisors, whose sum is σ = 500478404. Its totient is φ = 500478402.

The previous prime is 500478389. The next prime is 500478421. The reversal of 500478403 is 304874005.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 500478403 - 2⁹ = 500477891 is a prime.

It is not a weakly prime, because it can be changed into another prime (500478203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250239201 + 250239202.

It is an arithmetic number, because the mean of its divisors is an integer number (250239202).

Almost surely, 2^500478403 is an apocalyptic number.

500478403 is a deficient number, since it is larger than the sum of its proper divisors (1).

500478403 is an equidigital number, since it uses as much as digits as its factorization.

500478403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 500478403 is about 22371.3746336697. The cubic root of 500478403 is about 793.9535844338.

The spelling of 500478403 in words is "five hundred million, four hundred seventy-eight thousand, four hundred three".