478951903 has 2 divisors, whose sum is σ = 478951904. Its totient is φ = 478951902.

The previous prime is 478951901. The next prime is 478951909. The reversal of 478951903 is 309159874.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 478951903 - 2¹ = 478951901 is a prime.

Together with 478951901, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (478951901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239475951 + 239475952.

It is an arithmetic number, because the mean of its divisors is an integer number (239475952).

Almost surely, 2^478951903 is an apocalyptic number.

478951903 is a deficient number, since it is larger than the sum of its proper divisors (1).

478951903 is an equidigital number, since it uses as much as digits as its factorization.

478951903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 478951903 is about 21884.9697966435. The cubic root of 478951903 is about 782.4032294665.

The spelling of 478951903 in words is "four hundred seventy-eight million, nine hundred fifty-one thousand, nine hundred three".