80903 has 4 divisors (see below), whose sum is σ = 85680. Its totient is φ = 76128.

The previous prime is 80897. The next prime is 80909. The reversal of 80903 is 30908.

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 (80897) and next prime (80909).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80909) 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, 2363 + ... + 2396.

It is an arithmetic number, because the mean of its divisors is an integer number (21420).

2⁸⁰⁹⁰³ is an apocalyptic number.

80903 is a deficient number, since it is larger than the sum of its proper divisors (4777).

80903 is a wasteful number, since it uses less digits than its factorization.

80903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4776.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 80903 is about 284.4345267368. The cubic root of 80903 is about 43.2502088266.

The spelling of 80903 in words is "eighty thousand, nine hundred three".