18482503 has 4 divisors (see below), whose sum is σ = 19904248. Its totient is φ = 17060760.

The previous prime is 18482489. The next prime is 18482537. The reversal of 18482503 is 30528481.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30528481 = 17 ⋅1795793.

It is a cyclic number.

It is not a de Polignac number, because 18482503 - 2¹³ = 18474311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18482903) 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, 710853 + ... + 710878.

It is an arithmetic number, because the mean of its divisors is an integer number (4976062).

Almost surely, 2^18482503 is an apocalyptic number.

18482503 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

18482503 is a deficient number, since it is larger than the sum of its proper divisors (1421745).

18482503 is a wasteful number, since it uses less digits than its factorization.

18482503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421744.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 18482503 is about 4299.1281674312. The cubic root of 18482503 is about 264.3952174700.

The spelling of 18482503 in words is "eighteen million, four hundred eighty-two thousand, five hundred three".