4538903 has 4 divisors (see below), whose sum is σ = 4564440. Its totient is φ = 4513368.

The previous prime is 4538899. The next prime is 4538917. The reversal of 4538903 is 3098354.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4538903 - 2² = 4538899 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4538903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4538923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12500 + ... + 12857.

It is an arithmetic number, because the mean of its divisors is an integer number (1141110).

Almost surely, 2^4538903 is an apocalyptic number.

4538903 is a deficient number, since it is larger than the sum of its proper divisors (25537).

4538903 is a wasteful number, since it uses less digits than its factorization.

4538903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25536.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 4538903 is about 2130.4701359090. The cubic root of 4538903 is about 165.5707567949.

The spelling of 4538903 in words is "four million, five hundred thirty-eight thousand, nine hundred three".