5009903 has 4 divisors (see below), whose sum is σ = 5059608. Its totient is φ = 4960200.

The previous prime is 5009897. The next prime is 5009909. The reversal of 5009903 is 3099005.

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

It is an interprime number because it is at equal distance from previous prime (5009897) and next prime (5009909).

It is a cyclic number.

It is not a de Polignac number, because 5009903 - 2⁶ = 5009839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5009909) 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, 24701 + ... + 24902.

It is an arithmetic number, because the mean of its divisors is an integer number (1264902).

Almost surely, 2^5009903 is an apocalyptic number.

5009903 is a deficient number, since it is larger than the sum of its proper divisors (49705).

5009903 is a wasteful number, since it uses less digits than its factorization.

5009903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49704.

The product of its (nonzero) digits is 1215, while the sum is 26.

The square root of 5009903 is about 2238.2812602531. The cubic root of 5009903 is about 171.1104128299.

The spelling of 5009903 in words is "five million, nine thousand, nine hundred three".