478630403 has 2 divisors, whose sum is σ = 478630404. Its totient is φ = 478630402.

The previous prime is 478630337. The next prime is 478630423. The reversal of 478630403 is 304036874.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 478630403 - 2¹² = 478626307 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (478630423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239315201 + 239315202.

It is an arithmetic number, because the mean of its divisors is an integer number (239315202).

Almost surely, 2^478630403 is an apocalyptic number.

478630403 is a deficient number, since it is larger than the sum of its proper divisors (1).

478630403 is an equidigital number, since it uses as much as digits as its factorization.

478630403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 478630403 is about 21877.6233398420. The cubic root of 478630403 is about 782.2281256332.

The spelling of 478630403 in words is "four hundred seventy-eight million, six hundred thirty thousand, four hundred three".