980009503 has 4 divisors (see below), whose sum is σ = 1069101288. Its totient is φ = 890917720.

The previous prime is 980009501. The next prime is 980009509. The reversal of 980009503 is 305900089.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 305900089 = 11 ⋅27809099.

It is not a de Polignac number, because 980009503 - 2¹ = 980009501 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 (980009501) 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, 44545876 + ... + 44545897.

It is an arithmetic number, because the mean of its divisors is an integer number (267275322).

Almost surely, 2^980009503 is an apocalyptic number.

980009503 is a deficient number, since it is larger than the sum of its proper divisors (89091785).

980009503 is a wasteful number, since it uses less digits than its factorization.

980009503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89091784.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 980009503 is about 31305.1034657290. The cubic root of 980009503 is about 993.2915989878.

The spelling of 980009503 in words is "nine hundred eighty million, nine thousand, five hundred three".