4978903 has 2 divisors, whose sum is σ = 4978904. Its totient is φ = 4978902.

The previous prime is 4978901. The next prime is 4978907. The reversal of 4978903 is 3098794.

4978903 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4978903 - 2¹ = 4978901 is a prime.

Together with 4978901, 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 (4978901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2489451 + 2489452.

It is an arithmetic number, because the mean of its divisors is an integer number (2489452).

Almost surely, 2^4978903 is an apocalyptic number.

4978903 is a deficient number, since it is larger than the sum of its proper divisors (1).

4978903 is an equidigital number, since it uses as much as digits as its factorization.

4978903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 4978903 is about 2231.3455581778. The cubic root of 4978903 is about 170.7567531969.

The spelling of 4978903 in words is "four million, nine hundred seventy-eight thousand, nine hundred three".